Question

me ajuda responder a letra b

Answer 1

$\dfrac{x^{2}y-xy^{2}}{x^{2}-xy}\\ \\ =\dfrac{xy\cdot\left(x-y \right)}{x\cdot\left(x-y\right)}\\ \\ =\dfrac{x\left(x-y \right )\cdot y}{x\left(x-y \right )}\\ \\ =y\\ \\ \\ \boxed{\dfrac{x^{2}y-xy^{2}}{x^{2}-xy}=y}$