Simplify x3+y3x2−y2⋅x−yx2−xy+y2\frac{x^3+y^3}{x^2-y^2} \cdot \frac{x-y}{x^2-xy+y^2}x2−y2x3+y3⋅x2−xy+y2x−y
111
x2−xy+y2x+y\frac{x^2-xy+y^2}{x+y}x+yx2−xy+y2
x+yx−y\frac{x+y}{x-y}x−yx+y
x2−xy+y2x−y\frac{x^2-xy+y^2}{x-y}x−yx2−xy+y2