Thursday

August 25, 2016
Number of results: 121,488

**Math (Quadratics) **

3. Solve for x in 8x^2 + 2x - 4 = 0 I have tried factoring, taking out a GCF then factoring, completing the square, and got a bunch of wrong answers. I thought we were supposed to complete the square, so maybe I'm just doing that wrong. I'm not looking for the answer to the ...
*October 8, 2015 by Ariana*

**math(factoring by completing)**

hi. - I am not sure how to do this.- You have to factor completley. 5y^8-125
*February 1, 2007 by Alex*

**Algebra Quadratic Equations**

I am trying to define the different appraoches to solving quadratic equations. My book says using quadratic formula, completing the sqaure and factoring. I thought completing the square would be by facotring? How are these two different?
*February 5, 2008 by Marysvoice*

**Math**

Solve the equation by factoring, by finding square roots, or by completing the square. 4(x+8)^2=144 I'm not sure if I'm suppose to divide or multiply the 4 to both sides..
*November 10, 2011 by Linda*

**Math**

Hi everyone. Would someone be able to help me with this problems? I know it's a lot, if you only want to help with one or two, that is fine!! 9. Could you show how to use factoring and the zero-proudct property to find the zeros of each quadratic function? f(x)=x^2-9x 11. Same...
*November 19, 2008 by Eliza*

**Math-Factoring**

Hey I need help factoring 5x^4-180x^2. I'm used to factoring with three numbers, and not two. How would you do just two like this? Thanks
*January 19, 2009 by Greg*

**Math College Algebra**

For the solution of finding zeros flr -6x^2-13x+5 When i use factoring and completing the squares the zeros are 1/3 and -5/2 However when i used the quadratic formula it gave me -13+ - sqrt of 17/ 12 Why is that. Is it still tge same How
*February 15, 2016 by Miracle*

**Algebra**

Which is the easiest way to figure a quadratic equation; graphing, quadratic formula, completing a square and factoring?
*February 4, 2008 by Marysvoice*

**math 117**

Quadratic equations may be solved by graphing, using the quadratic formula, completing the square, and factoring. What are the pros and cons of each of these methods? When might each method be most appropriate? Which method do you prefer? Explain why.
*December 5, 2011 by Anonymous*

**Algebra Question**

Quadratic equations can be solved by graphing, using the quadrat completing the square, and factoring. What are the pros and cons these methods? When might each method be most appropriate?
*January 29, 2009 by pj*

**Math just explain**

Why do I get different answer when I use the quadratic equation? In finding the zeros of a function. I used factoring and completing the squares and it gave me the same answer.. How am I going to defend that my answer using quadatic formula is also right ?
*February 15, 2016 by Miracle*

**algebra**

Quadratic equations can be solved by graphing,using the quadratic formula, completing the square, and factoring. What are the pros and cons of the methods. when would each be appropriate?
*February 7, 2012 by debby*

**MATH I just need explanation very easy ( for you)**

Why do I get different answer when I use the quadratic equation? In finding the zeros of a function. I used factoring and completing the squares and it gave me the same answer.. How am I going to defend that my answer using quadatic formula is also right ?
*February 15, 2016 by Miracle*

**Factoring**

x2(squared)-4x+4 I would factor this into (X - 2)(X - 2) If you don't know the rules for factoring, post, and we can show you how to do it. I don't know the factoring rules. My algebra teacher couldn't teach.
*September 20, 2006 by Amanda*

**GR.10 MATH.**

i want to noe what is the DIFERENCE between partial and complete factoring. an e.g of a partial factoring problem is y=2x^2+8x+5 an e.g of complete factoring is y=x^2+3x-10
*April 27, 2009 by nini*

**Math**

I need help with these three problems. They are on a Study Guide and I need some refreshing up of how to do them. 17. Solve the equation using the zero product property... -8n(5n+3) 19. Solve the equation by factoring 5z^2-2z-3=0 20. Solve the equation by completing the square...
*May 26, 2009 by Amy*

**math**

I need help with these three problems. They are on a Study Guide and I need some refreshing up of how to do them. 17. Solve the equation using the zero product property... -8n(5n+3) 19. Solve the equation by factoring 5z^2-2z-3=0 20. Solve the equation by completing the square...
*May 26, 2009 by Amy*

**Math**

I need help with these three problems. They are on a Study Guide and I need some refreshing up of how to do them. 17. Solve the equation using the zero product property... -8n(5n+3) 19. Solve the equation by factoring 5z^2-2z-3=0 20. Solve the equation by completing the square...
*May 27, 2009 by Amy*

**ALGEBRA**

Quadratic equations can be solved by graphing, using the quadratic formula, completing the square, and factoring. What are the pros and cons of each of these methods? When might each method be most appropriate? Which method do you prefer?
*March 28, 2010 by GGIFT*

**ALGEBRA--MAT 117**

Quadratic equations can be solved by graphing, using the quadratic formula, completing the square, and factoring. What are the pros and cons of each of these methods? When might each method be most appropriate? Which method do you prefer? Why?
*January 12, 2009 by Paradise*

**Math: Factoring**

I'm having a hard time factoring polynomials, especially 3rd degree. -x^3+2x^2+4x-8 -x^3-5x^2+20x+12 I don't know how to begin. I thought long division, but what would I divide by?
*December 2, 2007 by Amelie*

**factoring**

I cannot figure these out.Can someone Factor completely: 3x2 - x - 4 I suppose this is actually 3x^2 -x-4 If so: (3x-4)(x+1) Now I'd like you to look at the following website: http://tutorial.math.lamar.edu/AllBrowsers/1314/Factoring.asp
*May 23, 2007 by Jojo*

**Algebra**

Solve the equation. Use factoring or the quadratic formula, whichever is appropriate. Try factoring first. If you have any difficulty factoring, then go right to the quadratic formula. (Enter your answers as a comma-separated list.) (x+2)^2 + (x-7)(x-2)=16
*April 17, 2015 by Merty*

**Math College Algebra**

Find the zeros of the following USE ALL THE THREE METHODS FOR EACH NUMBER ( Factoring, Completing the Squares and Quadratic Formula) 1.f(x) =3x+5 2.g(y)=y^2-3y+2 3.s(xl= -6x^2-13x+5 Please help me I need this before 2 hours to come. Please help me hpw to do this . Please help ...
*February 15, 2016 by ZaJi*

**Mat/117 DQ2**

Quadratic equations may be solved by graphing, using the quadratic formula, completing the square, and factoring. What are the pros and cons of each of these methods? Please provide examples. When might each method be most appropriate? Which method do you prefer? Explain why.
*February 27, 2012 by Rose*

**Algebra**

Which of the following statements is true? A. Any quadratic equation can be solved by completing the square. B. Completing the square always gives two distinct solutions. C. You cant complete the square if there is no constant in the equation. D. You can only use completing ...
*July 21, 2014 by Emma*

**math?? factoring**

100N/m d^2 - 57.3d= 0 sigh...I can't figure out how to find d know it's factoring but as to actual number to factor out...not so sure. Thanks
*April 14, 2008 by ~christina~*

**math**

I don't understand factoring. One of my homework questions asks for that. The question is "The area of a rectangular garden is given by the trinomial x to the 2nd power plus x -42. What are the possible dimensions of the rectangle? Use factoring.
*July 30, 2015 by Barry*

**Math - factoring**

Solve by factoring: 1.) x^2 - x - 12 = 0
*September 9, 2010 by Anna*

**Math(factoring)**

I need help with factoring trinomials completely. My teacher's example is: 2x^2-12x+18 2(x^2-6x+9) 2(x-3)(x-3) I need help with: 6x^2-26x-20 I just can't get this stuff so if you can please help me I'd greatly appreciate it.
*February 29, 2008 by Nick*

**Math College Algebra (urgent before 2hours)**

Find the zeros of the following USE ALL THE THREE METHODS FOR EACH NUMBER ( Factoring, Completing the Squares and Quadratic Formula) 1.f(x) =3x+5 2.g(y)=y^2-3y+2 3.s(xl= -6x^2-13x+5 Please help me I need this before 2 hours to come. Please help me hpw to do this . Please help ...
*February 15, 2016 by ZaJi*

**Math (Algebra 2)**

Factoring by Using a Quadratic Form Problem: x^4 + 8x^2 - 20 What I have so far: (x^2)^2 + 8(x^2) - 20 a^2 + 8a - 20 For some reason my textbook says to substitute the (x^2) with (a) as you can see in the las step. The next step after that is factoring [a^2 + 8a - 20].
*January 31, 2011 by Mike*

**Algebra**

Steps to factoring this x^3 - 8 ? I'm only used to factoring out the x when the x is in the equation like x^ + x + x
*October 3, 2010 by Anonymous*

**Precalc factoring**

im stuck on factoring (x-1)(2x^3+13x^2+8x-35) do i use synthetic division? if so what zero? thnks.
*October 29, 2012 by Rebekah*

**Factoring- precalc**

im stuck on factoring (x-1)(2x^3+13x^2+8x-35) do i use synthetic division? if so what zero? thnks.
*October 29, 2012 by Rebekah*

**Algebra Question**

When I'm factoring ax^2 + bx + c, is it fine to switch signs in the factoring answer? For example: Can (2x - 5)(3x + 5) become (2x + 5)(3x - 5)?
*March 7, 2014 by Anonymous*

**FACTORING HELP ASAP**

i dont know how this works.. but im helping my friend with some factoring and i have a few questions
*February 11, 2006 by Cait*

**Algebra 1-Factoring Help! **

Factor completely. if the polynomial is prime, state this. -6x^2-21x-9 I am confused about how to factoring. Thanks!
*March 30, 2016 by clary*

**math **

Which rate of speed is higher. A car completing a 500-mi race in 3 1/3 hours or a car completing a 300-hours in about 2 1/2 hours
*September 1, 2015 by andrea*

**Math**

My son's homework asks us to find the product by factoring the tens. The problem is 6 x 2, 6 x 20 and 6 x 200. I see how to do 6 x 2 (memory factor) and the 6 x 20 would be (6 x 2) and (1 x 10) then 12 x 10 = 120 but how does he show his work for 6 x 200 factoring by tens? Help
*September 16, 2013 by Denise*

**Math help please**

I'm so lost on this math Hw it's over factoring variables and I don't get it. Like my teach said that we are supposed to have the number and letter in front of everything. For example: -14x^2-7x+21 For factoring I got 7x(-2x-1+3) Because my teacher told me to to combine both 7...
*February 24, 2014 by Anonymous*

**Math**

The California speedway hosts automobile races. Which rate of speed is higher: a car completing a 500 mi race in about 3 1/3 h or a car completing a 300 mi race in about 2 1/2 h?
*March 1, 2014 by Mom B*

**Math**

2x(x+3) = 0 Is there a way to solve that using the below methods? Substitute zero for f(x) and find the roots of the resulting equation, or graph the function and determine the x-intercepts of the graph. Finding the roots of a single variable equation may involve factoring. ...
*December 5, 2011 by -Untamed-*

**Sally**

I have a factoring question; what is 8a^2-8a-30? I've been working on this for a while and I think I understand factoring, but I'm not getting the right answer, which is supposed to be 2(2a-5)(2a+3). Any help would be so appreciated! :)
*September 23, 2008 by Math*

**MORE MATH**

What is the factoring by grouping? When factoring a trinomial, why is it necessary to write the trinomials in four terms? I will be happy to critique your thinking on this. I do not understand to even answer it? (Broken Link Removed) (Broken Link Removed) How do we determine ...
*June 14, 2005 by jenn*

**factoring**

Factor completely: 2x2 50 To indicate x squared, use this notation x^2. 2x^2-50 = 2(x^2-25) You should be able to continue the factoring with the site that Lance has given you. I hope this helps. Thanks for asking.
*May 23, 2007 by Jojo*

**math**

Which is faster a car completing a 500 race in about 3.33 hours or a car completing a 300 mile race in 2.5 hours
*February 11, 2015 by starr*

**math (factoring quadratic trinomials)**

i am doing factoring with quadratic trinomials, And I dont understand any of it! The problem im working on is 5p2-22p+8 I factored it out to be (5p2-20p)(40p2-2p) I am so stuck, can anyone help
*March 10, 2009 by Tiffany*

**Algebra**

1)Solve by factoring:5x^2=4-19x answer=-4,1/5 2)Which quadratic equation has roots 7 and -2/3? answer=A A.2x^2-11x-21=0 B.3x^2-19x-14=0 C.3x^2+23x+14=0 D.2x^2+11x-21=0 3)To solve 4x^2-28x+49=25 by using the square root property,you would first rewrite the equation as answer=(...
*August 12, 2007 by Marissa*

**Use completing the square to...**

Use completing the square to describe the graph of the following function support your answer graphically. f(x)=-2x^2+4x+1
*March 19, 2013 by Jenn*

**Math- Prob Stat**

The amount of time a student spends completing homework per week their senior year is normally distributed with a mean of 5 hours and a standard deviation of 1.4 A. Find the probability a randomly selected student spends less than 3 hours completing homework B. Find the ...
*June 1, 2016 by Kate*

**Math - Algebra**

A. Solve the following quadratic equations. Make sure to show all your work. Do not use any method (e.g. factoring, completing the square, quadratic formula, graphing) more than twice. Use the graphing method at least once. 1. 3x+2 + 11x -20 =0 2. x2 + 3x -4 =0 3. 3x2 - x - 1...
*January 9, 2007 by Angela Again!*

**math**

6. Solve by factoring. m² + 8m + 7 = 0 (1 point)8, 7 7, 1 *7, 1 7, 1 7. Solve by factoring. n² + 2n 24 = 0 (1 point)12, 2 2, 12 *6, 4 4, 6 Please Help
*February 26, 2013 by James*

**Algebra 2**

Solve by completing the square. a² - 2√(3a) + 2 = 0 Solve for x. I don't know if you can use completing the square for this problem. ax^n + b = 0
*December 7, 2011 by Solve by completing the square*

**Completing the square**

Please show the procedure for answering this quadratic equation using the completing the square method: x^2+14x+98 I think i understand the basics of the method, but in this particular question I'm finding it hard to use the appropriate factors of 98 - 7 and 14 - to factorize ...
*May 20, 2011 by Barbie*

**Algebra**

What is factoring by grouping? When factoring a trinomial by grouping, why is it necessary to write the trinomial in four terms?
*February 22, 2009 by Bo*

**factoring**

let f(m)=m^3 + 3m^2 + 3m + 1 notice f(-1) = 0, so m+1 is a factor. Using division, the answer is m^2 + 2m + 1 which factors once more to (m+1)(m+1) so you have (m+1)^3 = 0 and then m = -1 Are you familiar with Pascal's triangle? Did you notice the pattern in the coefficients 1...
*March 11, 2007 by Reiny*

**Algebra**

I am having issues with factoring. I am trying to check my work using a TI84 Plus calculator but I don't know how to plug in a problem to check its factoring. Can anyone help? for example 44y^3+55y^2-11xy how can I go about plugging that in to check my work?
*March 27, 2014 by Christopher*

**Algebra: factoring**

I need to find the value of x. 9x^3 + 9x = 30x^2 It's confusing because apparently I have to do 9x^3 + 9x and then add the + 30x^2 to it, and then make it equal 0, so it ends up like this: 9x^3 + 9x + 30x^2 = 0 And afterward, I would factor it. How do you factor it? I'm having...
*December 4, 2008 by Rachelle*

**algebra,math**

My qustion is for the following the problem reads as follows (x-1)^2 = 7 x-1=+- sqrt 7 x= 1+- sqrt 7 the method they use was factoring in order to simplify the equation to make it easier is this correc? x^2-9x-4=6 x^2-9x-10=0 (x-10)(x+1)=0 What method did they use here I think...
*April 2, 2007 by jasmine20*

**Pre-Calculus (Check)**

Please tell me what I'm doing wrong... The side lengths of tops of three squares tables can be described as three consecutive integers. The combined area of the table tops is 677 sq in. Algebraically, determine the roots of the quadratic equation. (I'll use quadratic, but if ...
*April 14, 2015 by Lucina*

**Algebra 1-Factor by Grouping Help! **

Factor. Use factoring by grouping even though it would seem reasonable to first combine like terms 3u^2-7-21u+49 Would be the same procedure as factoring polynomial? Thanks!
*March 30, 2016 by clary*

**Algebra II**

Need help please. Thank you. 1. Determine whether the function has a maximum or minimum. State that value. f(x)= -2x^2-4x 2. Determine what c would in order to complete the square. x^2-5x+c 3. Solve the quadratic by factoring. 3x^2-16x+5=0 4. Solve the quadratic by factoring. ...
*November 24, 2015 by Michael *

**DQ**

What is factoring by grouping? When factoring a trinomial by grouping, why is it necessary to write the trinomial in four terms?
*February 22, 2009 by Bo*

**Algebra 2**

Completing the square method allows you to solve any quadratic equation. For each of the following determine what number completes the square. I cannot find my notes on completing the square, can someone please help with these two problems? 1. x^2+8x 2. y^2+10y i dont know ha...
*May 21, 2007 by Christian*

**math**

completing the square of x^2-3x-8=0
*August 19, 2014 by jun gajetos*

**SMART Goals**

Rewrite the following goal to make it S.M.A.R.T I want to do well in school this year. -I want to get As and Bs in all my subjects during my 10 month school year and be on the Role of Distinction. I will spend 2 hours everyday after school from 3-5 completing my homework and ...
*December 29, 2009 by Jon*

**Algebra 1**

Well we are doing factoring and I don't quite understand this problem: (x+1)(x-3)=117 I simplified and got: x^2-3x+x-3=117 x^2-2x-3=117 x^2-2x-120=0 I split the middle term and got: x^2-12x+10x-120=0 What should I do next? I have no idea how to finish factoring this... thanks...
*May 6, 2009 by Meloney*

**math,correction**

Is this correct now. Problem #1 solve by completing the square. 2x^2+8x+3=0 My answer: x=-2 +/- sqrt (5)/(2) Problem #2 solve by using the quadratic formula 5x^2+3x+1=0 My answer: No solution are defined. You are not completing the square. 2x^2+8x+3=0 x^2 + 4x =- 3/2 now ...
*April 22, 2007 by jasmine20*

**math**

2x^2+x-28=0 Solve by completing the square
*December 3, 2009 by kaitlin*

**math**

4x^2+4x=3 solve by completing the square
*December 4, 2009 by kaitlin*

**math**

x^2-6x-7=0 Completing the square need help
*May 28, 2010 by Carol*

**Math**

Solve by completing the square: x^2=5x+2
*June 8, 2010 by Jasmyn*

**math**

Solve by completing the square: x^2=5x+2
*June 8, 2010 by amy*

**Math**

Solve by completing the square x^2+4x-21=0 Help how do I do this???
*November 22, 2011 by Allison A*

**Math**

Solve by completing the square, 8x^2+4x-4=0
*March 9, 2012 by Marie*

**Math**

Rewrite by completing the square x2 + x + 1
*January 17, 2014 by Bob*

**algebra**

1)Solve by factoring:5x^2=4-19x answer=-4,1/5 2)Which quadratic equation has roots 7 and -2/3? answer=A A.2x^2-11x-21=0 B.3x^2-19x-14=0 C.3x^2+23x+14=0 D.2x^2+11x-21=0 3)To solve 4x^2-28x+49=25 by using the square root property,you would first rewrite the equation as answer=(...
*August 14, 2007 by Marissa*

**8H MAth**

factoring
*November 12, 2008 by Abbi*

**math factoring**

2h^2-h-3=0
*March 9, 2009 by Debbie*

**math factoring**

2w(4w+1)=1
*March 9, 2009 by Debbie*

**math**

n^2+8n+12 factoring
*October 18, 2011 by traci*

**mATH**

x^2+3x-4=50 how do i do this by factoring
*December 22, 2011 by ADAM*

**math**

solve the equation by completing the square: x^2-9x-2=0
*January 4, 2009 by princess*

**math **

solve for x x^2+45=6x. is this like completing the square
*April 6, 2010 by jen*

**Math**

Solve the equaton by completing the square. 4x^2-8x-3=0
*August 3, 2011 by Ashley*

**Math**

Transform the equation by completing the square: y^2 + 2x - 6y - 7 = 0
*March 8, 2012 by Joe*

**math**

Transform the equation by completing the square: 4x^2 + y^2 - 8x + 6y -3 =0
*March 11, 2012 by Boby*

**Math**

Solve the equation by completing the square. 2x^2 + 9x + 1 = 0
*June 6, 2013 by Kim*

**math**

Rewrite by completing the square. 2x^2 - 12x + 11
*January 19, 2014 by Cassy*

**Math**

How do you solve the equation by completing the square X^2+4x=10
*October 4, 2014 by Steph*

**Math**

ax^2+bx+c=0 solve by using completing the square.
*November 17, 2014 by Blessings*

**math algebra**

Part 1: Which part of the quadratic formula tells you whether the quadratic equation can be solved by factoring and why? 1. −b 2. b2 − 4ac 3. 2a Part 2: Create your own quadratic equation. Using complete sentences, and your answer from part 1, determine whether ...
*August 11, 2010 by Ka'Sandra *

**math-factoring**

how do you factor this 8x^3+27
*November 6, 2008 by hailey*

**math (factoring)**

how do i factor: 4q² - 9r² ??
*February 21, 2009 by carolina*

**math**

how do you finish factoring 3x(x^2-2x-8)
*March 5, 2009 by Angie*

**math**

solve by factoring 6x - 5 = 6/x
*April 27, 2010 by Giselle*

**math**

factoring strategy 9x^2 + 4y^2
*July 26, 2010 by vera*

**math**

how do i solve by factoring x^4+2x^2y^2+9y^4
*September 22, 2010 by joe*

**math**

solve by factoring. x^2+5x+6=0
*January 13, 2011 by jenna d*