Question

помогите я на экзамены разлоржите на множители
x2-y2-y-x

Answer 1

x²-y²-y-x=(x-y)*(x+y)-(x+y)=(x+y)*(x-y-1)

Answer 2

x²-y²-y-x=(x-y)*(x+y)-(x+y)=((x-y)-1)*(x+y)=(x-y-1)*(x+y)