Question

$$\frac{x^{2}}{y(x-y)}+\frac{y^{2}}{x(yy)}$$

Evaluate

$\frac{x^{3}+xy-y^{2}}{xy\left(x-y\right)}$

Expand

$\frac{x^{3}+xy-y^{2}}{xy\left(x-y\right)}$