Factor the polynomial below. 9x^2-1 A. (-1)(9x-1) B. (3x-1)(3x-1) C. (3x-1)(3x+1) D. (x-1)(9x+1)

Question

asked Aug 10, 2021 198k views

1 Answer

Kaey · Answer 1 · 2021-08-17T01:23:23+0000

Answer:

(3x-1) (3x+1)

Explanation:

9x^2-1

Rewriting as

(3x)^2 - 1^2

This is the difference of squares

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

(3x-1) (3x+1)