Question

Simplify Algebra (in comments)

Answer 1

\[4(-8)(2-8x)^3(x^2-9)^3+3(2x)(2-8x)^4(x^2-9)^2\]

Answer 2

The next step shown looks like
\[4(2-8x)^3(x^2-9)^2(20x^2-3x-72)\]

Answer 3

I'm having trouble understand how that was arrived at.

Answer 4

hold on solving them

Answer 5

Okay, thanks!

Answer 6

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Answer 7

(www.Mathway.com)

Answer 8

wut?

Answer 9

:=)

Answer 10

heya

Answer 11

take out the common factor

Answer 12

I just need it simplified to the second step.

Answer 13

because then I am solving equal to 0.

Answer 14

that's where my confusion is

Answer 15

\[4(-8)\color{Red}{(2-8x)^3}\color{blue}{(x^2-9)^3}+3(2x)\color{Red}{(2-8x)^4}\color{blue}{(x^2-9)^2}\]
see there is GCF (greatest common factor

Answer 16

now what is common in both terms
sorry about the writing ....:/\: