Friday

August 1, 2014

August 1, 2014

Posted by **SO LOST** on Wednesday, February 2, 2011 at 12:35pm.

x(x + 6)(x + -4) = 24x

x(6 + x)(x + -4) = 24x

x(6 + x)(-4 + x) = 24x

(6 + x) * (-4 + x

x(6(-4 + x) + x(-4 + x)) = 24x

x((-4 * 6 + x * 6) + x(-4 + x)) = 24x

x((-24 + 6x) + x(-4 + x)) = 24x

x(-24 + 6x + (-4 * x + x * x)) = 24x

x(-24 + 6x + (-4x + x2)) = 24x

6x + -4x = 2x

x(-24 + 2x + x2) = 24x

(-24 * x + 2x * x + x2 * x) = 24x

(-24x + 2x2 + x3) = 24x

-24x + 2x2 + x3 = 24x

-24x + -24x + 2x2 + x3 = 24x + -24x

-24x + -24x = -48x

-48x + 2x2 + x3 = 24x + -24x

24x + -24x = 0

-48x + 2x2 + x3 = 0

x(-48 + 2x + x2) = 0

x((-8 + -1x)(6 + -1x)) = 0

x = 0

-8 + 8 + -1x = 0 + 8

0 + -1x = 0 + 8

-1x = 0 + 8

-1x = 8

x = -8

x = {0, -8, 6}

- algebra -
**drwls**, Wednesday, February 2, 2011 at 12:43pmFirst of all, x=0 is clearly a solution.

For other solutions, divide both sides by x to get the quadratic

(x+6)(x-4) = 24

x^2 +2x -24 = 24

x^2 +2x -48 = 0

(x+8)(x-6) = 0

x = -8 or 6

Your answer is correct but you got there the hard way.

**Related Questions**

Algebra Question - I did a problem and used the substitution method and it took ...

Maths - is this correct... (3x^2+4x-3)^2-(3x^2-x+2)^2 then is it this (9x^4+24x^...

Calculus - relative extrema x^4-2x^2+5 so far I know how to find the derivative ...

alg2 check? - solve 3(8x-2)=46-2(12x+1) 24x-6=46-24x+2 24x-6=48-24x 48x-6=48 48x...

Algebra - Hey! I like math,but this year I'm doing algebra 1 and am not doing so...

MAth - The front row of a stadium has 25 seats. Each of the other rows has two ...

Algebra - Here is the problem: Given f(x)=-x^3+3x^2-2x+6, find f(-1), f(0), and ...

Algebra 1 - This is a five step problem: The width of a rectangle is 6 cm less ...

algebra - i have two answers to this problem so am not sure which way I need to ...

Algebra 2 - I know the answer to this problem is -1. I found that by ...