Question

I need help .-.

Factor completely 169x^2 − 64.

A (13x + 8)(13x − 8)
B (13x + 8)^2
C (13x − 8)^2
D 13x − 8

Answer 1

difference of squares \[\huge\rm a^2-b^2=(a+b)(a-b)\]

Answer 2

I think it is A

Answer 3

\[\sqrt{169} = 13\]

Answer 4

\[169x ^{2}-64 = 13^{2}x ^{2}-8^{2}\]

Answer 5

So as to what Nnesha explained it is going to be answer A

Answer 6

okie thanks! :)

Answer 7

anytym @ckallerid