Simplify x2+xyx2−y2\frac{x^2+xy}{x^2-y^2}x2−y2x2+xy
xx−y\frac{x}{x-y}x−yx
xx+y\frac{x}{x+y}x+yx
yx−y\frac{y}{x-y}x−yy
x+yx−y\frac{x+y}{x-y}x−yx+y