What is the factorization of the expression below? 4x^2-81 Question What is the factorization of the expression below? 4x^2-81 in progress 0 Math 4 hours 2021-09-14T21:25:00+00:00 2021-09-14T21:25:00+00:00 2 Answers 0

## Answers ( )

Answer:

(2x – 9)(2x + 9)

Step-by-step explanation:

4x² – 81

(2x)² – 9²

(2x – 9)(2x + 9)

Answer:(2x-9) (2x+9)

Step-by-step explanation:4x^2-81

Writing this as

(2x)^2 – 9^2

We recognize this as the difference of squares

a^2 – b^2 = (a-b)(a+b)

(2x-9) (2x+9)