Question

Разложите на множители:

ax+ay-x^2-2xy-y^2

Answer 1

-(x^2+2xy+y^2)+ax+ay

-(x+y)^2+a(x+y)=

(x+y)(y-x+a)

Answer 2

a(x+y)-(x+y)^2
(a-x-y)(x+y)