Question

-xy.(x²-2xy+y²) calcule o produto

Answer 1

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