Question

Factorize x²-2xy+y² , 2xy+x²+y² , 4x²-xy+y² , x²-y²​


it's urgent

Answer 1

1. x²+y²-2xy

(X-y)²+2xy-2xy

(x-y)²

(x-y)(x-y)

2. x²+y²+2xy

(X+y)²-2xy+2xy

(X+y)²

(X+y)(X+y)

3. 4x²+y²-xy

(2x)²+y²-xy

( 2x+y)²-4xy-xy

(2x+y)²-5xy

4. x²-y²

(X+y)(x-y)