Question

1 - x2 -y2 +2xy answer me fast plsss

Answer 1

Answer:Factor by grouping.

(x+3y)(x−5y)

Explanation:

Answer 2

-(1+x-y)(x-y-1)

Explanation:

since both terms are perfect squares, factor using the difference of squares formula

a2 - b2 = (a+b) (a-b) where a = 1 and b= x-y

-(1+x-y)(x-y-1)