Question

Factor the expression below.
9x2 - 1
A. (x - 1)(9x + 1)
B. (3x - 1)(3x - 1)
C. (x - 1)(x-1)
D. (3x - 1)(3x + 1)
SUBMIT

Answer 1

Answer:

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

Step-by-step explanation:

9x^2 - 1

Rewriting

(3x)^2 -1^2

This is the difference of squares a^2 -b^2 = (a+b) (a-b)

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

Answer 2

Answer:

9x^2−1

=(3x+1)(3x−1)

So,the correct answer is D.Trust me this is the right answer

I hope this help you.Please give me the brainliest