1. precalculus

    Is this correct if not could you explain how to make it correct? find (a)2v+u, (b)u-3v), and (c)5u-v. u=i-j v=6i+9i a. 2v+u u=i-j, v=6i+9i =(12i+18j) + (i-j) =13i+ 17j b. u-3v (i-j)-(18i+27i) -17i - -26j c. 5u-v (5i-5j)-(30i+54j) -25i - -59j

    asked by Alice on November 26, 2016
  2. math

    The minimum daily values (MDVs) for certain foods are given. They are based on a 2,000 calorie per day diet. Find decimal and fractional notation for the percent notation in each sentence.

    asked by carmen on April 7, 2007
  3. English

    Would you name facilities or organizations where orphans, elderly people, very young children are cared for? For example, a senior center, a nursing home, etc. Would you let me know the websites where we can find many kinds of such organizations and their

    asked by rfvv on August 20, 2013
  4. English

    I love to do creative writing. For school we have a contest called Power of the Pen that competes all over the state. I am going to the state compition and want to practice for it. How can I find inspiring things to write about?

    asked by Taylor on March 16, 2008
  5. Algebra

    Need some help with a few question. 1. Determine whether the relation is a function. Find the domain and range. {(10,2),∙(-10,2),(6,4),(5,3),(-6,7)} 2. What is f(4) if f(x) = |3x + 4| - 2 3. Write an equation that defines the graph of y = x2 after it is

    asked by |-/ on January 11, 2018
  6. math: 68-95-99.7 rule

    suppose that prices of a certain model of new homes are normally distributed with a mean of $150,000 use the rule to find the percentage of buyers who paid: between $150,000if the standard deviation is $1200

    asked by john on April 30, 2015
  7. math

    Find the Magnitude and direction of the resultant force. three forces with magnitude of 50,20, and 40 points acting on an object at angle 60 degres, 30 degrees, and -90degrees,k respectevly with the positive x-axis.

    asked by Nancy on May 11, 2010
  8. Math

    I'm not sure how to do this. Can anyone help me solve it correctly? On the past two quizzes, a student scored a 75 and 83. Write and solve a compound inequality to find the possible values for the 3rd quiz score that would get her an average between 85 and

    asked by Help me! on October 30, 2018
  9. math

    in these addends, each letter represents a single digit. find the numbers. write the completed problem below. CENT CENT + SCENT ----------- 35128 I NEED THIS TONIGHT OCT. 26--ASAP!!!!!!

    asked by My dancer chick on October 26, 2008
  10. Geometry

    AB and CD are two parallel chords of a circle whose centre is O and radius is 20cm.If Ab=24cm and CD=32cm find distance between AB and CD. If it's given that they lie. 1.onthe opposite sides of centreO. 2.on the same side of the centre o.

    asked by Samiran on February 18, 2018
  11. physics

    An object place 5cm in front of a converging lens of focal lenght 10cm produces a magnified image 8cm.find the size and the position of the image

    asked by Abdulrazaq on March 20, 2012
  12. Calculus

    By finding the slopes of the tangent lines to the curve of y=(1/3)x^3+5x at the points where x=3 and x=6, find the acute angle between these lines at the point where they cross. I don't have any idea where to start. An explanation would be appreciated.

    asked by Mike on April 19, 2018
  13. Early Childhood

    Small group discussions with preschoolers enables them to: A. find out if they are superior. B. learn to argue. C. outsmart the others and gain teacher attention. D. compare their ideas with peer ideas.

    asked by cynthia on February 19, 2015
  14. Accounting

    How does one determine variance analysis? I am trying to understand this and my text book is confusing me. Also, to determine this, would one find the the answers in the balance sheet or cash flow statement, or from the revenue and expenses?

    asked by Barbie on April 30, 2010
  15. math

    A man spend 1/3 of his income on food, of the rest 1/4 on bills and 1/5 on miscellaneous things. Finally he left with Rs.1760. Find his income? a)4200 b)4600 c)4800) d)5200

    asked by mahesh on July 31, 2015
  16. explaining math problems

    It is hard for me to figure out it the math sentence is + - x divide. What list of words am I looking for to find out the promblem in a math problem sentences. And what free websites can I go online and quiz myself if I am getting it. thank you avie

    asked by Avie on September 15, 2008
  17. Physics

    A pair of eyeglasses is designed to allow a person with a far-point distance of 2.06 to read a road sign at a distance of 20.6. Find the focal length required of these glasses if they are to be worn 2.50 from the eyes.

    asked by Anonymous on May 20, 2013
  18. math

    The minimum daily values (MDVs) for certain foods are given. They are based on a 2,000 calorie per day diet. Find decimal and fractional notation for the percent notation in each sentence.

    asked by carmen on April 7, 2007
  19. english

    find an Ottawa Citizen news story about Scott Starson. Some issues to reflect upon in your thought paper: 2. Why is there such disagreement amongst Scott, his various friends, his mother, and his doctors about the right way to address his needs?

    asked by letmewatchthis on October 29, 2013
  20. physics

    A 800. kg car starts from rest and accelerates uniformly to 19.0 m/s in 22.0 s. Assume that air resistance remains constant at 340 N during this time. Find (a) the net force on the car

    asked by Anonymous on October 11, 2012
  21. persuasive speaking

    i am struggling with the need, plan advantage format for public speaking. i've already consulted my textbook and notes, i still am not understanding the material. is there any websites i can consult to find this format/an explanation? i tried googling it

    asked by Kinley on June 15, 2009
  22. math115

    Find the median 465,543,672,682,682,772= 677 choose the most reasonable measure the lentgh of a computer mouse 14 mm, 1.4m, 14cm =14mm

    asked by J.M.H on October 20, 2009
  23. Inverse Functions

    A ship’s sonar detects a submarine 880 feet below a point on the ocean’s surface 1450 ft dead ahead of the ship. To the nearest degree, find the angle x.

    asked by devante on September 14, 2015
  24. native american history

    I have to explain the concept of the west and its inhabitants during the last half of the 19th cnetury and explain the transition of the identity of the indian leading into the early 20th century. can someone please tell me where i can find information

    asked by teresa on September 12, 2007
  25. physics

    A tire 0.5m in radius rotates at a constant rate of 200 rev/min.find the speed and acceleration of a stone lodged in the tread of the tire ( on its outer edge)

    asked by Chansa on May 4, 2016
  26. ISBM

    The price P per unit at which a company can sell all that it produces is given by the function P(x) = 300 — 4x. The cost function is c(x) = 500 + 28x where x is the number of units produced. Find x so that the profit is maximum.

    asked by Nitish on July 20, 2013
  27. physics

    Four penguins are being pulled alone by a handler. THe masses of the three penguins and the tension in the two of the cords are M1 =14kg, m2=26kg, m4=23kg, T2=115N, and T4=320N. Find the acceleration of the system and b) the mass of m3 that is not give.

    asked by Anonymous on November 8, 2013
  28. geometry

    Find the area of the shaded part (the two diagrams are circular sectors) given that central angle is 60 degrees and the bigger radius 7cm, width of the shaded portion is 2cm.

    asked by Nandhini on August 25, 2011
  29. PHYS

    AN OBJECT OF HEIGHT 5CM IS PLACED INFRONT OF ACONCAVE MIRROR OF FOCAL LENGTH 6CM AT ADISTANCE 13CM .FIND IMAGE POSITION MAGNIFICATION IMAGE PROPERTIES

    asked by TARIS on September 16, 2016
  30. Chemistry

    It takes about 10^16 years for just half the samarium-149 in nature to decay by alpha-particle emission. Write the decay equation, and find the isotope that is produced by the reaction.

    asked by Phillip on July 14, 2010
  31. physics

    A body is thrown vertically upwards at an initial velocity of 30m/s. Find the velocity after 2s and the time it takes to reach the maximum height.(TAKE g equal 10m/s2(square).

    asked by josephafful on May 25, 2016
  32. Algebra

    Isaac wants to enclose his backyard with a fence that is bounded on one side by the back of the house. if he has 164 feet of fencing material find the maximum area that can be enclosed by the fence.

    asked by Dave on February 20, 2015
  33. earth/space science

    Walking along the sidewalk one day, you find a rock and want to know what kind it is. You look at it and se that it is an off white color, is greasy feeling when you rub it, and your fingernail scratches it and breaks it up. What kind of mineral do you

    asked by Ariel on October 5, 2010
  34. Calculus

    Find the distance, in feet, a particle travels in its first 2 seconds of travel, if it moves according to the velocity equation v(t)= 6t2 − 18t + 12 (in feet/sec). A. 4 B. 5 C. 6 D. -1 Please helpp, I'm struggling! Thank you in advance for your help!

    asked by Kyle on June 24, 2019
  35. Physics

    Given: G = 6.67259 × 10−11 Nm2/kg2 Mimas, a moon of Saturn, has an orbital radius of 1.8 × 108 m and an orbital period of about 22.6 h. Use Newton’s version of Kepler’s third law and these data to find the ma

    asked by sharon on December 7, 2009
  36. statistics

    The weights of a group of adult males are normally distributed with a mean of 180lb and standard deviation of 8lb. Find the probability that a randomly chosen male from this group weighs more than 190lb.

    asked by tiffany on June 10, 2012
  37. Physic

    A spherical concave mirroe has a radius =0.4m forms an image of a 0.2 m high object located 1m from the vertex of mirror. find the position and height of the image. ? please explain your solution

    asked by mac on December 12, 2010
  38. physics

    A pendulum bob of mass -m is suspended at rest a constant horizontal force f= mg starts acting on it . Find thecmaximum deflection of the string and the maximum tension in the string

    asked by twinkle on September 26, 2012
  39. pragati

    the length of the fence of a trapezium shaped field ABCD is 130m and side AB is perpendicular to each of the parallel sides AD and BC. if BC=54m, CD=19m and AD=42m. find the area of the field.

    asked by tanmay on March 13, 2014
  40. Math / Algebra Word Problem

    The Parkhursts used 160 yd of fencing to enclose a rectangular corral and to divide it into two parts by a fence parrallel to one of the shorter sides. Find the dimensions of the corral if its area is 1000 yd^2 Thank you!

    asked by Ray on December 6, 2007
  41. physics

    when awire of length 5m and radius 0.5mm is stretched by a load of 49Nthe elongation produced in the wire is 0.1cm. find the energy stored per unit volum of the wire

    asked by Anonymous on May 23, 2013
  42. Calculus

    A rectangular tank with a square base, an open top, and a volume of 864 ft^3 is to be constructed of the sheet steel. Find the dimensions of the tank that minimize the surface area

    asked by Ashlyn on April 22, 2018
  43. math

    A flower shop buys roses with a list price of $1,500. If the wholesaler offers trade discounts of , find the trade discount amount to the nearest penny

    asked by Beth on May 24, 2013
  44. physics

    A stone is dropped from the top of a tower 400 m high and at the same time another stone is projected upward vertically from the ground with a velocity of 100 ms −1 . Find where and when the two stones will meet.

    asked by Deepa on September 12, 2015
  45. CALCULUS

    3.Using the curve that you constructed for the decomposition of Carbon 14, find the age of a prehistoric cave painting discovered in the Lascaux Caves in southern France if the amount of Carbon 14 has decayed to 14.29%

    asked by Pera on April 11, 2011
  46. math

    A diagram shows a straight line graph of In y against x,passing through the point (0,2) and having gradient -3/2 . The variables x and y are connected by the equation y=pq^x ,where p and q are constants Find (i)the value of p and of q ,to one decimal place

    asked by Claudia on August 8, 2013
  47. Geometry

    The math club of Ritzy High designed a pennant for the school yacht. The pennant was in the shape of an isosceles triangle. Two points, P and Q, are located so that AC= PQ= QB. Find the measure of angle B.

    asked by Emily on June 9, 2012
  48. Principles of finace

    How do you find use the annual net profit with the payables and inventory costs to determine the total annual cost a firm would need to achieve the industry level of operational efficiency?

    asked by Kate on December 14, 2010
  49. Algebra

    During the first part of a canoe trip, May paddled 20 km up steam and 20 km back in a total time of 5 hrs. The speed of the river is 3 km/hr. Find May’s speed in still water. Set up the equation first then solve.

    asked by john on November 24, 2015
  50. physics

    a 5 kg object placed on a frictionless,horizontal table is connected to a string that passes over a pulley and then is fastened to a hanging 9kg objct.find the acceleration of the two objcts and the tension in the string

    asked by latifah on December 4, 2009
  51. math

    Asha deposited sh. 280,000 into the bank.After 4 years her savings reached sh. 386,400.Find the amount of interest per year paid by the bank. #Please i need your help guys #

    asked by kelvin on June 28, 2017
  52. Physics

    A box is given a quick push so that it slides along a horizontal floor. a) What is its acceleration if the coefficient of kinetic friction is 0.30? b) How far will it travel if its initial speed was 3.0m/s? Is it possible to find the acceleration when only

    asked by sh on February 1, 2010
  53. phy

    potential difference=40v b2n plate A & B. find work done if q=+3C from a) B to A b) A to B *i already know the ans but i need the explanation for the formula. -this is my work a)w=-qv b)-120J =-3(-40) =120 J what i want to ask is: 1-why must we add - sign

    asked by Yuni on December 31, 2011
  54. algebra

    Two questions actually. Please only respond with step-by-step answers. Feel free to change the numbers, I just need to know how to do it... 1.) Factor Completely: 4a^2 + 81 - 36a 2.) In a right triangle, find the length of the side not given. b= 2 c= sqrt.

    asked by Jenny on May 2, 2010
  55. Chemistry!!

    How do I go about doing this question? How much heat energy is involved when 5.58g of Fe metal reacts with excess oxygen to produce Fe2O3? Do you need the equation, and if so, what would tha be? Fe + O2 > Fe2O3? I don't think that is right though. And

    asked by Lulu on November 22, 2008
  56. math

    find the surface area of the prism. A:426 msquared B:306 m2 C:336 m2 D:213 m2 Note: prism is rectangular or squared and uh height is nine base is 12 and other part is 5m pls help

    asked by Yung shuty on May 8, 2017
  57. Electricity

    Find the voltage across each resistor in a series circuit. Note: R is the lowest value and all others are multiples of that value as indicated. (there is no diagram for this circuit) double battery cell = 15v resistor1 = R resistor2 = 2R resistor3 = 4R

    asked by anonymous on April 15, 2019
  58. Probability

    A raffle offers a first prize of​ $1000, 2 second prizes of​ $300, and 20 third prizes of​ $10 each. If 15000 tickets are sold at 50cents ​each, find the expected winnings for a person buying 1 ticket.

    asked by HANDSON on May 2, 2016
  59. physics

    Two point charges +q=1 μC and −q=−1 μC with mass m=1 g are fixed at the positions ±r⃗ 0 with |r0|=1 m. The charges are released from rest at t=0. Find the time τ in seconds at which they collide.Hint: Can you do it without

    asked by stranger on May 13, 2013
  60. statistics

    Using the average and standard devation for length variable from problem 3,find the probability that the length of 35 movies is less than 120 minutes. Assume the distribution is normally distributed. interpret your result.

    asked by kat on February 27, 2013
  61. math help

    ) Brian has 96 feet of fencing to enclose a rectangular space in his yard for his dog. He wants the rectangle to be twice as long as it is wide. Write and solve an equation to find the dimensions of the rectangle.

    asked by mich on May 10, 2013
  62. Maths

    An aeoroplane flying at a ht 3000 mtr from the ground passes vertically above another plane at an instant angle of elevation from the ground are 60 and 30 degrees respectivly find distance between the planes

    asked by Dipak on August 9, 2013
  63. Maths

    Hello, I'm supposed to do this questions using concepts of differentiation with proper workings, and not based on general knowledge. Question: If x + y = 82, find the maximum value of xy. I know that 41 and 41 would give the greatest product... but how

    asked by Andrea on June 19, 2009
  64. Calculus

    Determine the intersection, if any, of the planes with equations x + y - z + 12 = 0 and 2x + 4y - 3z + 8 = 0. I have no clue where to even begin. If someone could help and give me the steps to complete it, that would be greatly appreciated. Do I have to

    asked by Ad on December 18, 2014
  65. Calculus

    Determine the intersection, if any, of the planes with equations x + y - z + 12 = 0 and 2x + 4y - 3z + 8 = 0. I have no clue where to even begin. If someone could help and give me the steps to complete it, that would be greatly appreciated. Do I have to

    asked by Ad on December 18, 2014
  66. Early Childhood Education

    I am having a hard time finding article for this assigment? Find an article on one or more strategies that work with young children to promote sociable and acceptable group behavior with peers

    asked by Betty on April 16, 2018
  67. Criminology

    One analysis of nearly 6,000 police-citizen encounters revealed that police officers were more likely to arrest when the victim was __________ and the suspect was__________. Im trying to do this study guide and I cant find these questions Can someone help!

    asked by Heather on April 13, 2015
  68. MacArthur physics

    . A person kicks a rock off a cliff horizontally with a speed of 20 m/s. It takes 7.0 seconds to hit the ground, find: a) height of the cliff b) final vertical velocity c) range

    asked by Anonymous on November 24, 2015
  69. physics

    During a basketball game, a player flies above the basket and drops the ball in from a height of 10 meters. If the ball takes 4.4 seconds to fall, find the acceleration due to gravity.

    asked by Emily on October 3, 2011
  70. Calc 1

    Of the infinitely many lines that are tangent to the curve y = −6 sin x and pass through the origin, there is one that has the largest slope. Use Newton's method to find the slope of that line correct to six decimal places.

    asked by TayB on May 5, 2015
  71. Calculus

    a swimming pool has the shape of the ellipse given by (x^2)/3600 + (y^2)/1600 = 1 The cross sections perpendicular to the ground and parallel to the y-axis are squares. Find the total volume of the pool.

    asked by Mike on January 29, 2013
  72. AP Calculus - High School

    The Temperature T of food put in a freezer is T = (700) / t^2+4t+10 where t is the time in hours. Find the rate of change of T with respect to t at each of the following times. a. t=1 b. t=3 c. t=5 d. t=10 ** i'll be able to do the others on my own if you

    asked by David. on October 18, 2009
  73. statistics

    A food manufacturer samples 7 bags of pretzels off the assembly line and weighs their contents. If the sample mean is 14.2 oz and the sample standard deviation is 0.60 oz., find the 95% confidence interval of the true mean.

    asked by Anonymous on March 16, 2014
  74. Texas State History/Social Studies

    compare the constitution of 1824 with the us constitution in terms of individual rights, religion, power of the president, and the right to posses firearms. This is an essay question. I can't find any similar questions to this on here. Can someone help

    asked by random! on October 29, 2018
  75. Maths

    A courtyard is in the shape of a rectangle of length 11.2 and 7.2 breadth.find the measure of the largest square shaped tile that can be used (in the whole),to cover the courtyard completely ..how many tiles are needed for purpose.

    asked by Moha on May 28, 2016
  76. physics

    An equilateral triangle has sides of 0.15 m. Charges of -9.4, +8.0, and +2.5 µC are located at the corners of the triangle. Find the magnitude of the net electrostatic force exerted on the 2.5-µC charge. each cahrge has X10^-6 btw

    asked by hearttyy on January 30, 2011
  77. calculus

    The voltage in a electric current is 100 volts then with Ohm's law how do you find the instantaneous rate of change of I with respect to R ta a resistance of 20 ohms if R is increasing I know how to use the instantaneous formula but what is f(a)

    asked by kim on February 18, 2017
  78. calculus

    A particle traces the path vector r = (t^3, t+3, t^2 -4t) where t represents time; it flies off on a tangent when t=1 and then moves in a straight line with constant speed. Find its position when t=4. Do I just plug the 4 into the t's in vector r?

    asked by mark on September 20, 2008
  79. Chemistry

    at a pressure of 390.0 kPa, a sample of ideal gas containing 110. moles of propane is collected at a tempature of 55 degrees celcius. find the volume of the propane tank used

    asked by Elizabeth on February 25, 2013
  80. math calculus

    A poster is to contain 300 (cm square) of printed matter with margins 10cm at the top and bottom and 5cm at each side. Find the overall dimensions if the total area of the poster is minimum.

    asked by Aquino,Vanessa Mae on October 23, 2016
  81. Calculus

    How do you find maximum revenue, maximum profit, and minimum average cost? Our teacher gave us a project to teach ourselves the section, but I can't learn very well even with her teaching, so I don't know how I'm supposed to do this...

    asked by Lindsay on December 7, 2013
  82. physics

    a .415 kg baseball is pitched at 42 m/s. the batter hits it horizontally to the pitcher at 58 m/s. a) find the change in momentum of the ball. b) if the ball and bat were in contact for 4.6*10^-4 s what would be the average force while they touched?

    asked by skhan on January 31, 2011
  83. math

    It has been found that the average IQ score of students is 115 with a stanard deviation of 6. Find the probability that a random selected student will have an IQ score above 119. Assum the IQ scores are normally distributed.

    asked by D. Hearn on May 8, 2013
  84. Physics

    Three point charges of 8 C, 3 C, and -5 C, are locate at the top, bottom left, and bottom right corners respectively of an equilateral triangle of side 1Å. Find the magnitude and direction of the net force on the 3 C charge.

    asked by Anonymous on March 16, 2014
  85. check my set up please

    At a horizontal distance of 34 meters from the base of a tower, the angle of elevation to the top is 72 degrees. Find the line of sight distance to the nearest meter. I set this up tan72=x/34

    asked by Anonymous on June 1, 2014
  86. Chemistry

    at a pressure of 390.0 kPa, a sample of ideal gas containing 110. moles of propane is collected at a tempature of 55 degrees celcius. find the volume of the propane tank used

    asked by Elizabeth on February 25, 2013
  87. maths

    You deposited 25000# in an account that earns 7% interest compounded monthly. A)write the first 6terms of the sequence if the initial deposit is excluded B)find the balance in the account after 5years

    asked by adaeze on January 14, 2018
  88. Calc 1

    Of the infinitely many lines that are tangent to the curve y = −6 sin x and pass through the origin, there is one that has the largest slope. Use Newton's method to find the slope of that line correct to six decimal places.

    asked by TayB on May 2, 2015
  89. math

    Tim Tele received a $380 discount loan to purchase a DVD player. The loan was offered at 18% for 60 days. Find the interest in dollars and the proceeds for the following problem.

    asked by jerry on March 22, 2016
  90. Ict

    My homework assignment is to design an anti-bullying logo. I thought of a computer and then putting Stop cyber bullying now! but i don`t know . any ideas? i have looked on different websites but can`t find anything. thanks

    asked by Tobie on March 29, 2009
  91. Algebra II

    Y=-16X^2+100X+6 where x is the time in seconds and Y is the height in feet. find the zeros of the function? What do the zeros represent and are they realistic? and about how high does the rocket fly before hitting the ground?

    asked by Walter on February 14, 2010
  92. Math

    19. A family takes a car trip. They travel for an hour at 80 km/h and then for 2 hours at 40 km/h. Find the average speed. (Hint, Remember to consider the total distance and the total amount of time.)

    asked by June on April 26, 2013
  93. History

    The Gilded Age is a critical name: it means that on the surface things might have appeared 'golden' and 'glittery' but underneath there was not much value, instead we find corruption and desperation. Select one: True False I think true

    asked by TayB on February 25, 2015
  94. Physics

    A circular loop of radius "a" is rotated at constant angular velocity ω in a uniform magnetic field B. Find the magnitude of the net induced emf on the loop at any given time

    asked by AlejandroP on May 29, 2011
  95. algebra

    Suppose that a plumbing repair bill, not including tax, was $120. This included $25 for parts and an amount for 2 hours of labor. Find the hourly rate that was charged for labor.

    asked by Anonymous on December 27, 2015
  96. math

    The length of the fence of a trapezium-shaped field ABCD is 130m and side AB is perpendicular to each of the parallel sides AD and Bc.if BC=54m,CD=19m and AD=42m,find the area of the field.

    asked by guru on December 27, 2011
  97. heeeelp math

    Find the largest possible number of distinct integer values {x_1,x_2,…,x_n}, such that for a fixed reducible degree 4 polynomial with integer coefficients, |f(x_i)| is prime for all i?

    asked by mathslover on June 23, 2013
  98. ap algebra

    Can you please help me with these problems I don't understand them? thanxs! Find the zeros for the polynomial function and give the multiplicity for each zero. State whether the graph crosses the x-axis or touches the x-axis and turns around, at each zero.

    asked by Tyra on October 15, 2007
  99. help maaaaath

    Find the largest possible number of distinct integer values {x_1,x_2,…,x_n}, such that for a fixed reducible degree 4 polynomial with integer coefficients, |f(x_i)| is prime for all i?

    asked by lin on June 23, 2013
  100. Ethiopia(AAU)

    Find the asymptote, interval of monotonicity, critical points, the local extreme points, intervals of concavity and inflection point of the following functions. Sketch the graph of each. A) f(x)=x2ex B) f(x)=|x2 +x-2| C) f(x)= x2 -6x (x+1)2

    asked by Woinshet.A on February 26, 2014

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