Question

Factor completely 169x^2 - 64.

a. (13x + 8)(13x - 8)
b. (13x + 8)^2
c. (13x - 8)^2
d. 13x - 8

Answer 1

169x^2 - 64
(13x-8)(13+8)
since there is no bx in this quadratic equation, you know that the values of the factor will be one negative and one positive, and since c is a negative number.

Answer 2

which one is it?

Answer 3

I just said it..

Answer 4

c?

Answer 5

(13x+8) (13x-8)
I literally said it in my response ...