Subtract Simplify, If Possible $\frac{15 x y}{x^{2}-y^{2}}-\frac{x-y}{x+y}$ A) $\frac{-x^{2}+13 x y-y^{2}}{(x+y)(x+y)}$ B) $\frac{x^{2}+13 x y+y^{2}}{(x+y)(x-y)}$

Multiple Choice

Subtract. Simplify, if possible.
- $\frac{15 x y}{x^{2}-y^{2}}-\frac{x-y}{x+y}$

A) $\frac{-x^{2}+13 x y-y^{2}}{(x+y) (x+y) }$
B) $\frac{x^{2}+13 x y+y^{2}}{(x+y) (x-y) }$
C) $\frac{x^{2}+17 x y+y^{2}}{(x+y) (x-y) }$
D) $\frac{-x^{2}+17 x y-y^{2}}{(x+y) (x-y) }$