Question

What is the factor of 3(x+2y)(x-2y)

Answer 1

Answer:

factor is '-3'

Step-by-step explanation:

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

(3x+6y)(x-2y)

3x^2-6xy+6xy-12y^2

3x^2-12y^2

3(x^2-4y^2)=0

x^2-4y^2=-3