Could someone please explain this problem to me. I need to factor and check by multiplying. 7x^9y^7+35x^7y^6+35xy= Here is what I got but I don't think that it is right. 7x^9y^7+35x^7y^6+35xy= 7xy(x^8y^6+5x^6y^5+5) Is this correct?

164,898 results

Math

Could someone please explain this problem to me. I need to factor and check by multiplying. 7x^9y^7+35x^7y^6+35xy= Here is what I got but I don't think that it is right. 7x^9y^7+35x^7y^6+35xy= 7xy(x^8y^6+5x^6y^5+5) Is this correct? Thanks.

Algebra

Andrew factored the expression 28x^3-42x^2+35x as 7x(4x^2+6x-5). But when Melissa applied the distributive law and multiplied out 7x(4x^2+6x-5) , she got 28x^3+42x^2-35x ; thus, Andrew’s solution does not appear to check. Why is that? Please help Andrew to understand this ...

Math

Andrew factored the expression 28x^3-42x^2+35x as 7x(4x^2+6x-5). But when Melissa applied the distributive law and multiplied out 7x(4x^2+6x-5) , she got 28x^3+42x^2-35x ; thus, Andrew’s solution does not appear to check. Why is that? Please help Andrew to understand this ...

algebra

factor the expression 4xsquared+35x+24 my answer: (4x+3)(x-8) 4x2 +35x+24= 24 = 2x12 24 = 4x6 24 = 8x3***** (4x+3)(X+8) 4X2 + 3X + 32X +24 + 4XSQ. + 35X + 24

Math

f(x) = 5x^2 - 35x I converted ^ that equation to.. 5x^2-35x = 0 How do I go about from here to determine the zeros and the y intercept?

Quick math help

Can someone please check my math Hw? Thank you!! Solve each system by elimination. 1. 8x+7y=-1 -9x-7y=2 I got (-1,1) 2. 4x+3y=1 -4x-7y=-13 I got (2,-2) 3. -7x-6y=-21 -x-6y=-3 I got (3,0) 4. -2x+3y=-16 -2x-5y=-16 I got (8,0) 5. -7x+2y=13 -14x+4=26 I got (0,0) 6. 15x-8y=14 -5x+...

math,correction

Can someone correct these for me plz... Problem#6 Factor. x(x-5)-2(x-5) My answer is: (x-2)(x-5) Problem#7 Factor completely. x^2-x-6 My answer is: (x+2)(x-3) Problem#8 Factor completely. 35x^2+40x+5 My answer is: (7x+1)(5x+5) Problem #9 Factor by grouping. x^3-5x^2+2x-10 MY ...

7th grade math

what is the equivalent expressin of 7(5x) 35x ? 35x

Algebra

Rewrite the middle term as the sum of two terms and then factor completely. 25x^2+35x+12 Is the following true or false? x^2+2x-3=(x+1)(x-3) Can you show me how to do these two problems? Thank you for any help you can give me. If the middle is the sume of 20 x and 15 x ... 25x...

Urgent Math please check

Very Important I can get someone to check these for me... I have to get an A, and I was wondering if someone could double check these for me. I am about 95% sure they are right, but just need a fresh set of eyes. I know I've been sending alot, but I really need them to be ...

algebra

i need help can someone explain how to do this X+3+2x=X+35X what is the answer or can someone help me?

math

Please can someone help? 3/(x-7) + x^2+5x My answer is: x^3-2x^2-35x+3/(x-7) Is this right? I converted x^2+5x so that it had a common denominator of x-7 so I could add them.

Polynomial- Doublecheck2

I asked this earlier, but I didn't get an answer. I'm glad though, because I found a couple of typos. I can get someone to check these for me... I have to get an A, and I was wondering if someone could double check these for me. I am about 95% sure they are right, but just ...

More Math 2 See If You Can Help Me... :)

Problem: a^2-9 a^2-3a ----- * -------- a^2 a^2+a-12 Here Is What I Got: (a+3)3a ------- (a+4) *Please Check It.I think I did it wrong though.. =[ I'm going to assume your problem is this: (a^2-9)/a^2 * (a^2-3a)/(a^2+a-12) Note: I'm using * to mean multiply. If that is the ...

Math

simplify 35xy/42x= type an integer or fraction. solve using the multiplication principle. don't forget to perform a check. 12x=-96 the solutionis x= thanks

algebra

Please help me factor this by grouping. I am stuck. 7x^3-35x^2-6x+30

Math

Please help me factor this, I just can't get it to work. -12x^2 - 35x - 18 Thanks!

Math please check

I think I have the right answer, but I am not 100% sure how to do the values at (1,-1) and the one below at (0,-1, 1). Please explain how I need to approach how to do these. Thank You! Calculate the partial derivative @f/@x, @f/@y and @f/@x | (1,-1), and @f/@y | (1,-1) f(x,y...

Pre-Calculus/Trigonometry

Help please Tracy has a cell phone plan that provides 250 free minutes each month for a flat rate of $29. For any minutes over 250, Tracy is charged $0.35 per minute. Which of the following piecewise functions represents charges based on Tracy's cell phone plan? A. f(x)={29,x ...

Algebra 1A

simplify 35xy/42x= type an integer or a fraction. thanks

Calculus

1/a+1 + 1/a-1 I solved this out by multiplying the (a+1) by (a-1) and multiplying (a-1) with (a+1) To get (a+1)(a-1) as the denominator. Then I did the same with the numerators and got this: 1(a-1) + 1(a+1)/(a+1)(a-1) And I got 2a/(a+1)(a-1) But still sometimes this process ...

Math

how do you factor 4x^2-35x-9=0?

math

how do u factor 7x^3+28x^2-35x ? thanx.

algebra

factor completely 75x^4+35x^3-10x^2

Precalc-Factoring

I am so confused. How do I factor: 35x^2 - 46x + 15

Math (Help Please)

1. Which of the following shows how this expression can be simplified? 2x + 6 + 3x − 4 A. x − 2 B. x + 2 C. 5x + 2 D. 5x − 2 2. Which is equivalent to the expression below? 7(2p − 1) A. 7p B. 14p − 1 C. 14p − 7 D. 14p − 8 3. Factor the...

algebra

find the missing factor... -35x^2y= (-5xy)(_____)

math

factor the following expression completely 75x^4+35x^3-10x^2

PRE-ALGEBRA PT.2

12 + 0.35x = 20.05 A. 91.5 B. 57.3 C. 2.8175 D. 23 I GOT D

math linear equations

suppose you earn 5.50/h at a bakery. From your first paycheck you discover that $1.15/h is withheld for taxes and benefits. you work x hours in a five day week and you spend $3.75 each day on lunch. Write an equationfor your earnings for a 5 day week after taxes and expenses. ...

Physics

I thought I did the problem right, but I don't think I came out with the right answer! Please someone check to see if I got this problem right. Calculate the force of gravity between Earth (mass=6.0*10^24 kg) and the moon (mass=7.4*10^22 kg). The average Earth-moon distance is...

algebra

factor completely. -49x^2-35x-6 Please help with this, I know you multiply the two outer numbers which =-294, I am just having trouble finding a pair of factors of 294 that sum add up to 35. thanks

math

8. (10x-3y) (5x + 2y) Simplify the expression above. Which of the following is correct? A. 50x2+ 5xy -6y2 B. 50x2+ 5x2y2-6y2 C. 50x2+ 35xy-6y2 D. 50x2+ 35x2y2-6y2 I think A

Algebra 2

Let f(x) = 3x^2 – x + 2 and g(x) = 5x^2 – 1. Find f(g(x)). Show each step of your work. I got 75x^4 -35x +6 If that is wrong can you correct me. Thank you!

Calculus Please Help

I think I have the right answer, but I am not 100% sure how to do the values at (1,-1) and the one below at (0,-1, 1). Please explain how I need to approach how to do these. Thank You! Calculate the partial derivative @f/@x, @f/@y and @f/@x | (1,-1), and @f/@y | (1,-1) f(x,y...

MATH PLEASE CHECK IT!!2

sqrt2/sqrt10 here is what I got: sqrt (2/10)= sqrt (1/5) sqrt 0.2 * I don't think that it is right but pleasee check it.Thanks Yes, that is one way you could do it, then simplify further by taking the square root of 0.2, but you are probably supposed to simplify like this: &#...

Math

I did this, but i don't think its right for this problem and I don't know where to go from here. Help please factor x^3-5x-2 x^2+10 (x^3-5x-2x^2)+10 x (x^2-2x-5)+10

math,help

on one of last week homeworks i got this one wrong can someone explain to me what is the correct format. The demand supply equations for a certain item are given by: D= -5p+40 S=-p^2+30p-8 The correct answer was: $1.43 how do you get to this answer because i've tried it and it...

Math

I am down to 5 out of 49 problems that I can't figure out. Help is very much appreciated. Thanks ! Factor by grouping 35x^3 -20 x^2 + 21x -12

algebra word problem: still stuck

question: rachel allows herself 1 hour to reach a sales appt 50 miles away. after she has driven 30 miles, she realizes that she must increase her speed by 15mph in order to get there on time. what was her speed for the first 30 miles? Responses * college algebra word problem...

ALGEBRA

can I please get some help with this problem. FACTOR . CHECK BY MULTIPLYING 4x²+12x

Math

Half of a pizza was broccoli and half was mushroom. George ate 2/3 of the broccoli and 1/4 of thee mushroom part. How much of the pizza did he eat? I did this problem but I wasn't sure of my answer so I needed someone to see if I am right or not. My answer is 1/6 and I got ...

MATH

i need to write each expression as a product of the same factor: * = multiply can you check these please a^2 i got a*a 19^3 i got 19*19*19 -6^2 i got 6*6*-1 -x^3 i got x*x*x*-1 (-5)^4 i got (-5)*(-5)*(-5)*(-5)*(-5) 4^3 i got 4*4*4 -(10)^2 im not sure how to do?? 20^1 i got ...

math exponents

i need to write each expression as a product of the same factor: * = multiply can you check these please a^2 i got a*a 19^3 i got 19*19*19 -6^2 i got 6*6*-1 -x^3 i got x*x*x*-1 (-5)^4 i got (-5)*(-5)*(-5)*(-5)*(-5) 4^3 i got 4*4*4 -(10)^2 im not sure how to do?? 20^1 i got ...

Math

4 3 2 2x+7/2x+21x+35x-37x+46 Don't forget the workout & the explanation please!👍

7th grade math check

Ok I was wondering if you could check these 3 problems please. I am suppose to set these equations equal but I am not sure if did them right. I think I accidently solved these systems as substitutions. The answers are suppose to be in coordinate pairs. 1) x - y = 11 -3x + y...

math,correction please..

(x)/(x-2) - (x+1)/(x) = (8)/(x^2-2x) I keep getting x = 6 can someone show me how you guys are getting x = -10 The lowest commond denominator is x(x-2) x/x *(x)/(x-2) - (x+1)/(x) *(x-2)/(x-2)=(8)/x(x-2) multiplying both sides by the common denominator.. x^2 -(x^2-1x -2)=8 x+2=...

Algebra2

i was wondering if someone could check the answer i got for this math problem 7+2(5-2*9) = 243 I got -19 I think you're supposed to do the parentheses first...but within that, you're supposed to do the multiplication and THEN the subtraction, and then mult it by 2....then add ...

college algebra

9x^-4-35x^-2=0

College Algebra

9x^-4-35x^-2-4=0

Chemistry

Please check this over and see of they are right...if they are not can you please tell the the right answer and explain how you got it. I think I am getting myself confused. Thank you. Write the neutralization reaction for each of the following. Balance the equations. a. HI(aq...

college algebra

GCF -x^7,-7x^3,-35x^6

math

simplify 15xy/35x

Math/algebra

60 + -25x = 35x + 20

algebra

Factor - check by multiplying Is this right? x^2-6x = x^2(x-6)???

Math

What are the x-intercept of the graph of 35x^2-20=60x

maths

factorise: 1) x^4+10x^3+35x^2+50x+24 2) 3(a-b)(b-c)(c-a) 3) (a+b)^3-a-b

Math help

How would you solve these systems by elimination? I'm in desperate need of help! 1. -35x-15y=0 -56x+24y=0 2. -56x+72y=-16 -49x+63y=-14

chemistry

Question is: If you gain your iron from an iron citrate (Fe(C6H7O7)2) supplement, how many grams of iron citrate do you need to take to gain 8.88 mg of iron? I tried setting this problem up, but i don't think i did it right. can someone please tell me if i did it right or not...

College Algebra 1

Factor completely. Remember to look first for a common factor and check by multiplying. if polynomial is prime, state this. -36a^2-96ab-54b^2 I couldn't find the right answer.

Math[PLease Check]

Problem: 25-x^2 6 ------ * --- 12 5-x What I got: 5-x --- 2 *PLease Check My Work. No. Factor the 25-x^2 into two factors. Then the 5-x in the denominator divides out. So then is it: 5+x --- 2 yes. 12x12

Math

Hi, would someone mind just checking the answer I got for this formula and tell me if I'm on the right track or not. Question... x+y=21 3x=4y Answer I got... x=84 y= -63 I didn't get that. Check your math. I found 7y=63 but not y = 63. You can always check your answer. Is 4X...

US History

Do you think the U.S. should have joined the League of Nations with no restrictions to its obligations under Article X? Why or why not? I think I can answer the question; I just need help from someone who can explain what they're asking here? Please and thank you.

maths

Factorize: 1.) 64x^3-y^3 2.) x^4+10x^3+35x^2+50x+24 3.) x^3/8-64-3x^2+24x

Math

Write fraction in simplest form. 25x2/35x

Math

Determine slope using 1,30 and 3,100 Answer : y=35x-5?

Math factoring

15x squared - 35x + 10factor the expression

Math

I need help not sure if I'm doing this correctly. Parts of parts: Find each of the following parts of parts without drawing a diagram for each problem explained clearly A) 2/3 of 2/7 I think it's 4/15 because your multiplying. B) 6/11 × 2/7 I think it's 12/77 your multiplying...

math

thanks for the explanation of limit, but i want someone to help check out this problem for me lim x->3 (x^2 - x - 12)/ (x - 3) i got 5 as the answer okay, so i cant use substitution. i factor the (x^2 - x - 12) and got (x - 4) and (x + 3) [(x - 4)(x + 3)]/ (x - 3) i cant ...

Math

Here is the problem. I got the answer but I would like a better understanding. Find the equation of a line that passes thru(6,-2) and is perpendicular to equation x-3y+16. I got the final answer being -3x+16. Can someone please explain how to get this? I am so confused!

9th grade-Math

How do you solve this equation? 35x^2-49x __________ -7x

Algebra

How to solve a question with two variables? X=3Y-6 20Y+35X=3795

Annuities

Jany frost wants to receive yearly payments of 15000 for 10 years. How much must she deposti at her bank today at 11% intrest compounded annually? This is what i got here and i don't think it is right. Please can anyone help me out here. 15000 n= 10x1=10 i/y=11/1=11 compute ...

algebra 1

can somme one please help me. i need answers for 1.divide (x2-10x+30)divided by (x-5) 2.divide (x3-20x+16)divided by (x-4) 3. divide (-4x3+35x+25)divided by(-2x-5) 4.divide (-7x+x2+15)divided by(-3+x)

Algebra

Would someone please check these answers? Simplify. 3/x-5+1/1-4/x-5 For this answer I got: x-2/x-9 Divide. x^2-49y^2/6x^2+42y/(x^2-7xy) For this answer I got: (x+7y)/6x(x^2+7y) Add. Express your answer in simplest for. x/6+3x/6 For this answer I got: 2x/3 Please check my ...

algebra 2..again

2y^3-10y^2+12y...need to factor again..i got to the second step... 2y(y^2-5y+6)...think that's right but i don't get how to factor that out..help plz..

Science - Please Check

Consider a wetland ecosystem. In this ecosystem are two species: a small fish species and a wading bird species that feeds on the small fish as its main source of food. Oxygen levels are a limiting factor. Suppose that the local temperature changes in favor of greater oxygen ...

Algebra

Add polynomials 0.15x^4 + 0.10x^3 - 0.01x^3 + 0.01x^2 + x 1.25x^4 + 0.11x^2 + 0.01 027x^3 + 0.99 -0.35x^4 + 15x^2 - 0.03 I don't understand PLEASE PLEASE HELP!!

Algebra

How do I work this problem, it is not a homework problem but a problem similar to a homework problem. I know i need to factor the left side of the problem. here is what I have so far.. x^2-2x+1=7 x^2-2x+1-7=7-7 x^2-2x-6=0 here is where I run into an issue, I can not seem to ...

Algenra

How do I work this problem, it is not a homework problem but a problem similar to a homework problem. I know i need to factor the left side of the problem. here is what I have so far.. x^2-2x+1=7 x^2-2x+1-7=7-7 x^2-2x-6=0 here is where I run into an issue, I can not seem to ...

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

chem

The ion product Of D2O is 1.35x 10^-15 at 25 degrees C. For a solution to be acidic the PDF must be what?

Math2[Please Check Again]

Problem: a^2-9 a^2-3a ----- * -------- a^2 a^2+a-12 What I Got: 3-3a ---- a-4 *Please Check My Work.* Nope. factor the denominator to a^2(a+4)(a-3) The last factor divides out in the numerattor (second term factors to a(a-3). The a in the numerator reduces the denominaor a^2 ...

algebra

need help don't exactly understand the question: Factor and check by Multiplying 6x + 10y -2

Math

8*2sq+7*(4+1)= ? Can someone explain to me what to after the parenthesis? I mean in the PEMDAS of operations says that I should multiply. Multiply what and when? By the way the actual problem is a example I got out of my book. Right at this momen there is no one problem I am ...

Math 221

9w-w^3 I need someone to explain how do I factor this problem

math,correction

can someone check these for me please.... problem#4 Directions: Factor each polynomial completely by factoring out any common factors and then factor by grouping. Do not combine like terms. 3a^3+3ab^2+2a^2b+2b^3 My answer: (a^2+b^2)(3a+2b) you are correct

math

I was wondering if someone could double check my work on a test I'm self correcting. Here's the problem, it has to do with Cramer's Rule. 24x + 6y = 11 24x + 60y = -25 I ended up finding the base determinant (D), and then dividing Dx and Dy by D. My answers for Dx and Dy ...

algebra2

Solve each of the following quadratic equations. can some explain how to do these kinds of problems 4x^2=13x+12 i believe if i am understanding this i am supose to add to where i get =0 4x^2-13x+12=0 now what do i need to do I am thinking factoring but I am not sure how to do ...

Math

A football coach divides 42 players and 12 coaches into groups. Each group will have the same number of players and coaches. What is the greatest number of groups that can be formed? a. 12 groups b. 6 groups c. 2 groups d. 4 groups My answer is 6 groups because I found out ...

englise

i need help with home work and i don't know what some of the stuff means i can Help tatiana i got an A in english Please ask specific questions and include what you think the answers might be. Someone here will be happy to help you. =)

Algebra II

The directions are factor completely... the problem is 30xy-72y-3x^2y I got 3y(10x-24-x^2) but i don't think this is right does anybody know what the answer should be?

Algebra check/help?

So, for this one, it is 2x-14=3x+6 Can someone please explain to me how they would solve this problem? I think you would add 14 to the 6, but I'm not sure..

Algebra, ( Check please)

5h-7=2(h+1) I got, 5h-7=2h+1 and then I added -7 plus 1, and got -6 So 5h-6=2h? Could someone explain what I did wrong and help me correct it?

Chemistry conversions check

I'm sooooooo not sure if I'm doing this right, but can someone check it please? Thanks :)) 5) Determine the mass in grams of 3.01 x 10^23 atoms of Cl (element) I got 17.5 grams...is this right?

Multiplying and Dividing Rational Expression

Can someone solve these for me?Can someone correct meif I didn't type these right 1.(m-2)/(m-5)*(m+5)/(m-2) 2.4(x+2)/5x*(6x^2)/2x 3.(25-x^2)/12*6/(5-x) 4.(a^2-9)/a^2*(a^2-3a)/(a^2+a-12) 5.(5x-5)/(16)/(x-1)/6 6.(6-3x)/(5)/(4x-8)/25 7.(x^2-9)/(4X+12)/(x-3)/6 8.(x^2+13x+12)/(x+2...

Math 141

I am having trouble with this problem. perform the indicated operations and simpily the result as much as possible a) (3x - 2) (x^2 + 2x - 4 ) the answer i got so far is 3x^3 + 4x^2 -16x + 8. Am i done or i have to conitnue to simplify? if so, what do i need to do? b) 10x^3y^2...

algebra

Find the number of decibels for the power of the sound. round to the nearest decibel. A rock concert, 5.35x 10^4 watts/cm^2

Science/ Social Studies

I need help with those two subjects. Please tell us specifically what you need help with, and we'll try to help. If you have a question, please post it along with what you think the answer may be. I need alot of help in those subjects because I got an N in it.I'm an smart ...

Honors Chemistry

Can someone check my first answer and help me with the second question? Thanks so much!! :D 1. N2 + 3H2 ==> 2NH3 : How many grams of NH3 can be produced from the reaction of 28 g of N2 and 25 g of H2? ==> I got 37.5 grams. 2. How much of the excess reagent in Problem 1 ...

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