Question

factorise
4(x-y)^2-12(x-y)+9

Answer 1

Answer:

{2x-2y-3)²

Step-by-step explanation:

let (x-y) be a

(2a)²-2×2a×3-(3)²

(2a-3)²

{2(x-y)-3}²

(2x-2y-3)²

pls mark it as brainliest

Answer 2

reffer the attachment and do