Question

Factoring.

Answer 1

\[9x^2-64\]

Answer 2

you have a difference of squares

a^2 - b^2 = (a+b)(a-b)

in this case, let a^2 = 9x^2
and b^2 = 64

calculate a and b by taking the square roots of 9x^2 and 64

then plug into (a+b)(a-b) to complete the factoring

Answer 3

So the Square root of that would be \[3x+8\]

Answer 4

mm, you're close, there's no plus sign in between them, you need to consider them separately

but yes, a = 3x and b = 8

so a^2 - b^2 = (a+b)(a-b) = (3x+8)(3x-8)

Answer 5

Set it equal to 0?

Answer 6

and solve?

Answer 7

no, you're factoring, there's no equation to set up

a^2 - b^2 = (a+b)(a-b) = (3x+8)(3x-8) --> this is the final step/answer

Answer 8

Oh alright.