Question

find the factor of (x + y)3 - x - y

Answer 1

3x + 3y -x - y
2x+2y
2 (x+y)
factors 2 and x+y.

Answer 2

$(x + y) ^{3} - (x + y) \\ = (x + y)(x + y + 1)(x + y - 1)$