Question

calcule:
-xy.(x²-xy+y²)

Answer 1

-xy.(x²-xy+y²)

 - x^3.y + x^2.y^2 - x.y^3

Answer 2

$\boxed{-xy.(x^2-xy+y^2)=-x^3 y+x^2 y^2-x y^3}$