# I can't figure out how to factor this. I know you use the technique Factor by Grouping. But can someone explain to me how to factor this problem by using factor by grouping technique. Problem: 30x^3 + 18x^2 - 5x

18,793 results
1. ## Health

1. A _______ is a part of your life that helps you avoid drug abuse. A. Risk factor B. Peer C. Protective factor D. Stressor •• 2. In terms of drug abuse risk, spending quality time with family members is a A. Family risk factor. B. Family protective

2. ## Algebra

Use the Factor Theorem to determine whether x+2 is a factor of P(x)=2x^4+x^3-3x-9. Specifically, evaluate P at the proper value, and then determine whether x+2 is a factor. P(__)= x+2 is or is not a factor of P(x)____

3. ## Math

If two cylinders are similar, find the scale factor of the smaller figure to the larger figure. The surface area of the smaller area is 20 pi yards squared. The surface area of the larger cylinder is 125 pi yards squared. No radius or height is given, and

4. ## Math

We can rewrite the expression 16 + 8 as 8x(2+1). Notice that 8 is the greatest common factor of 16 and 8. Use this same method to rewrite the expression 24 + 36 as the product of the greatest common factor of 24 and 36 and the sum of the remaining numbers.

5. ## Math

11. Figure A’B’C’D’ is a dilation of figure ABCD. Find the scale factor. Classify the dilation as an enlargement or a reduction. (1 point) Scale factor one-third; reduction Scale factor one-fourth; reduction Scale factor 3; enlargement* Scale

6. ## Math I REALLY NEED HELP!!!!!!!!!

A figure is dilated by a scale factor of 4. If the origin is the center of dilation, what are the coordinated in the original figure of a vertex located at (8,8) in the enlarged figure? A/(2,2) B/(4,4)

7. ## Math

11. Figure A’B’C’D’ is a dilation of figure ABCD. Find the scale factor. Classify the dilation as an enlargement or a reduction. (1 point) Scale factor one-third; reduction Scale factor one-fourth; reduction Scale factor 3; enlargement* Scale

8. ## Math

1. Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (–1, 2) and (3, –3). (2, 4) and (6, 6) (2, 4) and (6, 6) (–2, 4) and (6, –6) (2, –1) and (–3, 3) 2. Given a scale factor of one-half , find

9. ## math- geometry

A dilation with a scale factor of 4 maps figure A onto A'. By what scale factor would another dilation map figure A' back to figure A? is it 1/4?

10. ## Greatest Common factors

I don't know these answers. Can you help me? Greatest common factor in 1.6y^2-9y+18. 2.4x^2y-7xy 3. 30a^3b-40ab^3 4. factor out greatest common factor in 4x^2-12x+20 5. x^4y-6x^3y-6x^2y 4 and 5 are factoring out the greatest common and 1-4 is finding the

11. ## Physics

Suppose that there is a partial blockage of the aorta, which normally pumps about 5 L of blood per minute. If the diameter of the aorta were reduced by 30%, what increase in blood pressure gradient would be needed to obtain the normal flow rate? (Assume

12. ## math

The dashed figure is a dilation of the original figure. Find the scale factor. Classify the dilation as an enlargement or a reduction. A. scale factor The fraction is 1 over 3.; reduction B. scale factor 4; enlargement C. scale factor 3; enlargement D.

13. ## Pre Calculus

using the factor theorem to show that x-c is a factor of P(X) for the given values of c, and factor 1. P(x)=x3-5x^2+8x-4; c=1

14. ## science help

Two factors which cause global climate change are listed below. Factor 1: Volcanic eruptions. Factor 2: Changes in the amount of Sun’s heat received by the Earth’s atmosphere and surface. Which of these statements is correct about the two factors which

15. ## math HELP SOS

If two polygons are similar,how can you find the scale factor from one polygon to the other?Show specific examples.Describe how you find the scale factor from the smaller figure to the enlarged figure.Then,describe how you find the scale factor from the

16. ## geometry

m(0,3) n(6,0) p(0,-3) scale factor=-1/3 how do you do this i have to draw the image of the figure with given vertices under the dilation with the given scale factor centered at the origin

17. ## math HELP!!!!!!!!!!

If all the dimensions of a cube are increased by 5 units, how will the surface area change? increase by a factor of 5 increase by a factor of 10 increase by a factor of 25 increase by a factor of 50

1.Factor 3/4 out of 3/4z+6. 2.Factor 18x+6y using the GCF. 3.Factor −5 out of −10a−25

19. ## Math

Use the Factor Theorem to determine whether x-3 is a factor of P(x)=2x^3-5x^-9 . Specifically, evaluate P at the proper value, and then determine whether x-3 is a factor. P(_)=__ also pick which one applies x-3 is not a factor of P(x) x-3 is a factor of

20. ## physics

If Earth's mass were suddenly and magically reduced to half its present value, the Sun's gravitational force on Earth would A. be reduced by a factor of 2. B. be reduced by a factor of 4. C. increase by a factor of 2. D. remain the same. I was told it

21. ## itc c++

can any one please dry run this code #include using namespace std; int main() { intnum,factor=1,temp; cout1) { factor = factor/10; cout

22. ## math

suppose you copy a figure on a copier using the given size factor. find the scale factor from the original figure to the copy in decimal form. a)200%, b)50%, c)150%, d)125%, e)75%, f)25%

23. ## Statistics

The structure of a two-factor study can be presented as a matrix with the level of one factor determining the rows and the levels of the second factor determining the colums.With this structure in mind,describe the mean differences that are evaluated by

24. ## Using the factor Theorem

use the factor theorem to determine whether x-c is a factor of f(x) f(x)=x^3+8x^2-18x+20; x-10 I have a doubt in my answer, i determined that x-10 is not a factor... am i right? please verify as my exam is tomorrow night at college. thank you for your time

25. ## polynomials

lol, i also have these Factor the polynomial x2 + 3x – 18. Which one of the following is a factor? Factor the polynomial 12x2 + 11x – 5 completely. Factor the polynomial 18a2b – 4ab + 10a completely Factor the polynomial 2x2 – 50 completely. Here's

26. ## chemistry

What is an aliquot factor? It is a whole divisor. For instance 5 is an aliquot factor of 15, and 15 is an aliquot factor of 150. I'm sorry, but I don't seem to understand it. For example, how do you get the aliquot factor of 50? 2, 5, 10, 25 would be

27. ## MATH

Factor by identifying a common factor in each term. g) 6xy2 = (3x) (?) h) 25a3b2 = (5a2b2) (?) i) 6x + 6y + 6p Factor: j) x(x+2) + y (x + 2) - 5(x + 2) k) 5y2 - 10y3 l) ax + ay + az Factor: m) yx(y+1) + 4x(y + 1) - 5(y + 1) n) 6p2 - 3p3 o) 4x4 + 2x Please

28. ## math

suppose you copy a figure on the copier using the givin size factor. Find the scale factor from the orignal figure to copy in desimal form. for 200%, 150% 75% 50% 125% and 25%

29. ## math 1350

Find the three digit number that satisfies the following conditions: . Has a factor of 3. . Has a factor of 5. . Has a factor of 7. . All digits are prime. Describe the thinking process you went through to solve this problem.

30. ## geometry

m(0,3) n(6,0) p(0,-3) scale factor=-1/3 how do you do this i have to draw the image of the figure with given vertices under the dilation with the given scale factor centered at the origin

31. ## algebra--1 question

Suppose you divide a polynomial by a binomial. How do you know if the binomial is a factor of the polynomial? Create a sample problem that has a binomial which IS a factor of the polynomial being divided, and another problem that has a binomial which is

32. ## Math (3 of 3) *Final*

8. Factor 5t² - t -18 9. Factor 25x² - 9 10. Factor 9t² + 12t + 4

33. ## Algebra

Do the ratios have to have the same scale factor to be a dilation? My friend says yes, or else the scale factor would be useless. I on the other hand say no because it's still a dilation as it's an reduction. Here's the instructions: "For Exercises 5-8,

34. ## Physics

The factor "number of stars in the survey" should preferably be referred to as a / an A) Astronomical factor B) Biological factor C) Socio-technological factor D) Data Limitation factor

35. ## Liberal Arts Math

how would i solve this problem?? it says factor the polynomial completely: 2xy-3y-40x+60 I studied polynomials, but I don't know what it means to factor them. Do you have a definition in your textbook or notes or something? B-cuz then I'll be able to help

36. ## math,help,factoring

i need help i don't know how to do the next step. factor by grouping x^3-3x^2+4x-12 so what i have so far is this =(x^3-3x^2)+(4x-12) =x(x^2-3x)+4(x-3) from here i don't know... and then this one is driving me insane this next one... Rewrite the middle

37. ## Algebra 2

Examine the polynomial p(x)=6x^3+17x^2−24x−35. Use the Factor Theorem to identify which binomial is a factor of p(x). a.3x+5 b.2x+7 c.x−1 d.2x−7 I thought that 2x+7 was a factor of p(x) but I don't know and I am confused now can somebody help

38. ## Algebra

I am trying to factor polynomials by grouping the first two terms and the last two terms, but I am having some issues, I have done a few correct since I can look at the answers to the odd problems but it is taking me arund 25 minutes per problem. here is a

39. ## algebra

3ax^2 - 27a You can factor that into 3a (x^2 - 9), which also equals 3a(x-3)(x+3). It is not clear from your question what you are supposed to do with that algebraic expression. If it were equal to zero, x would be +3 or -3. If you are expected to factor,

40. ## MATH 101

Factor completely. Be sure to factor out the greatest common factor first if it is other than 1. (If the polynomial is prime, enter PRIME.) 56a^2+39ab-27b^2

41. ## math

The graph of f (x)₌√x undergoes a vertical stretch by a factor of k, k›1.The vertically stretched graph would look the same if it had been horizontally compressed by a certain factor. Determine this factor

42. ## Algebra 2

PLS HELP ME!! I really need the answers to these few questions I need toturn them in ASAP. Factor out the GCF (Greatest Common Factor) Hint: What can you divide every term by? 14. 3b^4-9b^2+6b 15. 4g^2+8g 16. 45c^5-63c^3+27 Factor each polynomial. HINT:

1.Factor 3/4 out of 3/4z+6. 2.Factor 18x+6y using the GCF. 3.Factor −5 out of −10a−25.

44. ## Algebra

This problem has two parts, Part A and Part B. Part A: Use the Remainder Theorem to find the remainder when p(x)=x^3+4x^2+5x+2 is divided by x+1. Part B: Then, use the Factor Theorem to determine whether x+1 is a factor of p(x)=x^3+4x^2+5x+2. Select one

45. ## physics

In a hydrogen atom, if the radius of the orbit of the electron is doubled, then its energy will ... a)Decrease by a factor of 2 b)Remain the same c)Increase by a factor of 2 d)Actually, it is not possible for the radius of the orbit to double e)Increase or

46. ## FACTORING

I can't figure out how to factor this. I know you use the technique Factor by Grouping. But can someone explain to me how to factor this problem by using factor by grouping technique. Problem: 30x^3 + 18x^2 - 5x - 3. Thanks so much:) Miley

47. ## math

if two polygons are similar,how can you find the scale factor from one polygon to the other?show specific examples.describe how you find the scale factor from the smaller figure to the enlarged figure.then,describe how you find the scale factor from the

48. ## Math

Joshua wants to know if x−5 is a factor of the polynomial P(x)=x^3−5x^2−x+5. Joshua calculates P(5) and applies the Factor Theorem to conclude that x−5 is not a factor of P(x). Is Josh's conclusion that x−5 is not a factor correct? Why or why

49. ## math

If the sides of a box all double in length, by how much does its volume increase? By a factor of 2 By a factor of 4 By a factor of 6 By a factor of 8 Explain your answer.

50. ## stats

two factor ANOVA indep measures exper. 2 level factor A 3 level factor B n=5 in each treatment SS df ms between 240 5 factor A ? 1 ? Fa=24 factor B ? 2 ? AxB 60 2 30 within ? 24 5 are this answers right for SS A=120 B=80 w/I=120

51. ## Math

You invest\$10 and after a period of 3 month your new balance is \$60.by what factor did money increase Increased by a factor of 4 Decreased by factor of 3 Increased by factor of 6 Increased by a factor of 3

52. ## factoring

how to factor x^4 - 2x^3 - 8x + 16 Thanks. you can factor by grouping wich is to divide the equation into two pieces 1)x^4-2x^3 -8x+16 2)now factor this two x^3(x-2)-8(x-2) 3)you will get x^3-8 and x-2 4)factor x^3-8

53. ## History

What role does the factor play in the plantation economy? A. The factor manages the plantation workers. B. The factor is the middleman who negotiates the price and sale of cotton. C. The factor represents the government in the management of the plantation

54. ## Factor

How do I factor these: 2x2 - 16x + 30 4x^2-9 x^2-5x 5x^2-26x+5 25x^2+4 Example: 2x^2 - 16x + 30 = 2 (x^2 - 8 x + 15) 2(x - 5)(x - 3) The first, factor out a 2 first. Then factor . The second...difference of two squares Third factor out an x I will be happy

55. ## Simplifying Rational Expressions

1.4x12 / 4x 2.d+7 / d^2-49 3.t^2-25 / t^2+t-20 4.2x^2+6x+4 / 4x^2-12x-16 5.6-y / y^2-2y-24 1. 12 [4x] cancels out. so you're left with just 12. 2. 1/d-7 factor the d^2-49 to (d+7)(d-7). cancel out the (d+7) 3. (t-5)/(t-4) factor both numerator and

56. ## Algebra

The first three equations I have solved, I would just appreciate someone checking them over to make sure I'm doing them right. Find the GCF: 16x^2z ,40xz^2 , 72z^3 = 3^3z Factor our GCF: a(a+1) - 3(a+1) = a+1 Factor Polynomial: 9a^2 - 64b^2 =

57. ## algebra

The first three equations I have solved, I would just appreciate someone checking them over to make sure I'm doing them right. Find the GCF: 16x^2z ,40xz^2 , 72z^3 = 3^3z Factor our GCF: a(a+1) - 3(a+1) = a+1 Factor Polynomial: 9a^2 - 64b^2 =

58. ## algebra

this is what u do on your first problem....first u take out the greatest common factor that would go into all of them... 4n^2-20n+24...now what number will go into all of them...well 4 will...4 will go into 4,20,and 24...so. it would be like

59. ## Brain freezer a.k.a. MATH

What does a scale factor between two similar figures tell you about the relationships between the length and area measures of the figures? The relationship is that you use the l&w to find the scale factor. you can make L&W ratios for each figure, then you

60. ## Physics

Angioplasty is a technique in which arteries partially blocked with plaque are dilated to increase blood flow. By what factor must the radius of an artery be increased in order to increase blood flow by a factor of 16?

61. ## math

How do I figure out 6c=__?__pt showing work See my other response. =) Brooke, You REALLY need to learn to do these systematically. Learn to watch the units, make the ones you don't want cancel, and keep the units you want for the answer. For example,

62. ## calculus

The treatment of a certain viral disease requires a combination dose of drugs D1 and D2. Each unit of D1 contains 1 milligram of factor X and 2 milligrams of factor Y, and each unit of D2 contains 2 milligrams of factor X and 3 milligrams of factor Y. If

63. ## Algebra

Factor completely: X^3n+y^3n Do I factor it as a cube? Can't figure it out

64. ## Chemistry

I Have Two Questions 1)How would you calculate the number of nanometers in 8.1 cm? 2)What is the equivalent of 0.35 lb in grams? You need to learn to do deimensional analysis. It's easy. 0.35 lb to grams We know there are 453.6 g in a lb. We take the given

65. ## Math

1.3x^2+17x+10 2.5y^8-125 3.a^2-2ab-15b^2 *Please help me.You have to factor by completing. Let's look at #1: 3x^2 + 17x + 10 We have 2 and 5 as factors of the last term. What combinations can we do to arrive at the middle term? (3x + ?)(x + ?) Let's try

66. ## math urgent urgent urgent

1)let f(x) be a polynomial function explian how to use the factor theorem to check if (x-c) is a factor of F(x) 2) use synthetic division to factor X^2-2x^2-9x+18 completly

67. ## Algebra

I'm trying to solve x^3-3x^2-x+3 is less than zero. Except, I'm not sure how to factor it. I tried splitting it so that 3 would be a factor for 3x^2 and 3, so the result was 3(-x^2+1), and x^2 was a factor for x^3 and -3x^2, resulting in x^2(x+3). But this

68. ## Math

My teacher stop half way when writing the example,someone pls help me how to do them thxxx Use the factor theorem to show: c)x-2 is a factor of 5x^3 -17x^2 -28 d)3x+1 is a factor of 6x^3 +11x^2 -3x -2

69. ## Pre Cal

Ooops! I wrote it wrong, here's the problem: if x varies directly as y^2, inversely as z, and inversely as the square root of w, what happens to x when y is multiplied by 3, z is doubled, and w is quadrupled? I would really appriciate it if someone could

70. ## Factor completely

I am to factor this completely and I am stuck. 2r^3 + 8r^2 +6r Note: x^2 is x-squared (that is, x with the superscript 2), etc. 2 is a factor and r is a factor so the equation becomes 2r(r^2 + 4r + 3) then we can factor the term in parentheses. To do that,

71. ## Math

Can someone help me factor this 5x^2+8x+9 What's the technique in factoring

72. ## math

What factoring technique would be used to factor 2x^2+5x+3?

73. ## Algebra

Factor at the greatest common factor from the expression. Can someone please show me how to factor so I will know? Thank you! 18x^714x^2

74. ## Pre-Calculus

The treatment of a certain viral disease requires a combination dose of drugs D1 and D2. Each unit of D1 contains 1 milligram of factor X and 2 milligrams of factor Y, and each unit of D2 contains 2 milligrams of factor X and 3 milligrams of factor Y. If

75. ## Biology

So I am completely confused. I am in the process of taking a quiz and the question says "a factor that seems to disappear" my options are punnet square, heredity, dominant factor, recessive factor, alleles, or genetics??? Help please? Thanks

76. ## Math

Devon wanted to know if x−3 is a factor of f(x)=x^3+x^2−10x+8. She applied the Factor Theorem and concluded that x−3 is not a factor of f(x), as shown in the following work. f(−3)=(−3)^3+(−3)^2−10(−3)+8=20 f(−3)=20, so the remainder is

77. ## Math

1. A figure has the ordered pairs: A(2,0); B(7,2); C(3,4). Construct the new figure dilated by a scale factor of 2. 2. In the city of Vegas, they have a replica of the sphinx that is originally 240 feet tall. They used a scale factor of 1/3 to create the

78. ## maths

how do i solve this equation? there is another answer other than 0, but i am not sure how to get it. 5x^2 + 7x =0 factor the term: x(5x+7)=0 Either term can be zero. You found the x=0, what value of x makes 5x+7 zero? Factor it to this form: x (5x + 7) = 0

79. ## Math

When the quotient of two numbers is the same as the first factor, what do you know about the second factor? That the second factor will be different? idk... i forgot about that one

80. ## Math finance

I just brought a finanical calculator and i don't really know how to use it yet. The textbook said to calculate the price of the bond: Price=Coupon x Annuity factor (r, T)+ Par Value x PV factor (r, T) I was just wondering how to punch in the annuity

81. ## precalc

Three hours after taking a pain medication, 41% of the medication still remains in the bloodstream. Let m be the 1-hour decay factor. a. What is the 3-hour decay factor as a numeric value? What is the 3-hour decay factor in terms of m ? b. Use your results

82. ## Physics

What happens to the gravitation force between two objects that are 15 m apart, when one of them moves 3 m closer? It decreases by a factor of 1 9/16. It decreases by a factor of 1 1/4. It increases by a factor of 1 9/16. It increases by a factor of 1

83. ## algebra

Solve the linear equation using any technique you have learned. Name the technique. Check. 3x + 12 = -7x - 28 I know the answer is x = -4 and I know that substitution is the technique that is used, but I can't figure out how to set this up

84. ## algebra 2

Elisha thought that (2x+1) was a factor of p(x). She evaluated p(−1) and didn't get 0. Based on her work, what can Elisha conclude? Elisha can conclude that (2x+1) is not a factor of p(x). The Factor Theorem states that (2x+1) is only a factor of p(x) if

85. ## Math12

desrribe what happens to the equation of a function when you make each change to its graph a)compress horizontally by a factor of 1/4, and vertically by a factor of 1/2 b)expand horizontally by a factor of 2, then translate 3 units left

86. ## Algebra

I have a question I hope someone can explain it to me. We are working on Demonstrate that f actoring a polynomial. I was ask Why can you factor x² - 4 but you cannot factor x² + 4? How can you tell quickly which ones you can factor and which you cannot?

87. ## algebra

How do you factor the difference of two squares? How do you factor the perfect square trinomial? How do you factor the sum and difference of two cubes? Which of these three makes the most sense to you? Explain why.

88. ## Algebra 1

The architect must factor several trinomials the are of the form x2- mx + n, where m & n are whole numbers greater than zero. She wonders if any of these trinomials factor as (x+a)(x+b), where a > 0 and b < 0. Is this possible? Why or why not? I do not

89. ## mat 117

How do you factor the difference of the two squares? How do you factor the perfect square trinomial? How do you factor the same and difference of two cubes? Which of these tree makes the most sense to you?

90. ## ALGEBRA

Can someone explain the following to me? 1.How do you factor the difference of two squares? 2.How do you factor the perfect square trinomial? 3.How do you factor the sum and difference of two cubes? I am so lost.

91. ## Algebra

Factor out 8x^3y^6 + 27 One factor is 2xy^2+3. (The sum of the cube roots of the first and last terms). Use long division to compute (8x^3y^6 + 27)/(2xy^2 + 3) to get the other factor

92. ## math

Is 3 a factor of 261? Is 10 a factor of 325? Is 6 a factor of 492?

93. ## Algebra

Factor out the greatest common factor simply the factor if possible. 26(5-x)2-5(5-x)3

94. ## hard math

please someone help me! i've tried so hard! factor m^6 + n^2 28x^2y^2 - 7x^4 8x^3y^3 +343z^3 thank you so much!!! For the second one: 28x^2y^2 - 7x^4 Factor out 7x^2: 7x^2(4y^2 - x^2) Now we try to factor 4y^2 - x^2, which is: (2y + x)(2y - x) We end up

95. ## chemistry

please explain the dimensional analysis, and atomic structure? The conversion table for metric to English and English to metric? Dimensional analysis is the procedure for changing from one unit to another. For example, convert 12 inches to centimeters. The

96. ## Physics

In the absence of external torques, the angular momentum of a system is conserved. An artificial satellite orbiting the Earth quadruples its kinetic energy. Assuming no external torques act on the system, the radius of the orbit will ... a. Decrease by a

97. ## Math

Factor Completely: I am really confused on how to start it. 12q^5w^2-36q^4w^3-120q^3w^4 Help please. :) Factor out 12q^3w^2: 12q^3w^2(q^2 - 3qw - 10w^2) Can we factor further? Yes. q^2 - 3qw - 10w^2 factors are (q - 5w)(q + 2w). We end up with this: