Question

xy+2y-2x-4
2cx-cy-6x+3y

x2+xy+xy2+y3

Answer 1

1)

xy+2y-2x-4

y•(x+2)-2(x+2)

otvet: (x+2)•(y-2)

2)

2cx-cy-6x+3y

(2x-2)•(c-3)

oyvet: (2x-y)•(c-3)

3)