Question

Factor 9x2 – 4.

options:

A)

(3x + 2)(3x + 2)

B)

(3x – 2)(3x + 2)

C)

(3x – 2)(x + 2)

D)

(3x – 1)(3x + 4)

Answer 1

B

Step-by-step explanation: Differences between squares.

9x^2-4

(3^2) (x^2) -(2^2)

(3x-2)(3x+2)