Question

Factor completely.
4x^2 -1 = ??

Please answer quickly!
Will mark brainliest!

Answer 1

Answer is (2x + 1) (2x -1)

Answer 2

Answer:

Step-by-step explanation:

4x^2-1 can be written as( 2x +1 )(2x-1)

By the property of (a+b)(a-b) =a^2-b^2

So , x=+- 1/2