X^2-y^2+x-y разложить ** множители

Question

X^2-y^2+x-y разложить на множители

Answer 1

(x^2-y^2)+(x-y)=(x-y)(x+y)+(x-y)=(x-y)(x+y+1)

Answer 2

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