Perform the Indicated Operations $\frac{\mathrm{b}}{\mathrm{b}^{2}-25}+\frac{5}{\mathrm{~b}+5}-\frac{6}{\mathrm{~b}}$ A) $\frac{-25(b-6)}{b(b+5)(b-5)}$ B) $\frac{25(b-6)}{(b+5)(b-5)}$ C) $\frac{25(b+6)}{b(b+5)(b-5)}$ D) $\frac{6 b^{2}-25 b+150}{b(b+5)(b-5)}$

Perform the indicated operations. Give the answer in lowest terms.
- $\frac{\mathrm{b}}{\mathrm{b}^{2}-25}+\frac{5}{\mathrm{~b}+5}-\frac{6}{\mathrm{~b}}$

A) $\frac{-25(b-6) }{b(b+5) (b-5) }$
B) $\frac{25(b-6) }{(b+5) (b-5) }$
C) $\frac{25(b+6) }{b(b+5) (b-5) }$
D) $\frac{6 b^{2}-25 b+150}{b(b+5) (b-5) }$