Perform the Operations and Simplify $$\frac { 1 } { x - 6 } + \frac { 3 } { x + 6 } - \frac { 3 x - 6 } { x ^ { 2 } - 36 }$$

Multiple Choice

Perform the operations and simplify. $$\frac { 1 } { x - 6 } + \frac { 3 } { x + 6 } - \frac { 3 x - 6 } { x ^ { 2 } - 36 }$$
Assume that no denominators are 0 .

A) $\frac { 1 } { x - 6 }$
B) $\frac { 1 } { x + 36 }$
C) $\frac { 1 } { x + 6 }$
D) $\frac { 6 } { x + 6 }$