Question

4(x-y)²-12(x-y)+9 factories the expression


​

Answer 1

Step-by-step explanation:

Let (x-y)=u

4u^2 -12u+9

(2u-3)(2u-3)

[2(x-y)-3][2(x-y)-3]

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