Question

find the common factor of x²-4y² and x²-4xy+4y²​

Answer 1

Answer:

(x-2y) is the common factor.

Step-by-step explanation:

1. x^2 - 4y^2 = x^2 - (2y)^2 = (x-2y) (x+2y)

2. x^2 -4xy +4y^2 = x^2 - 2(x) (2y) + (2y)^2. = ( x-2y)^2 = (x-2y) (x-2y)