Perform the Indicated Operation $$\frac { 2 } { x ^ { 2 } - 4 } - \frac { x } { x ^ { 2 } - 4 x + 4 } + \frac { 1 } { x + 2 }$$

Multiple Choice

Perform the indicated operation. Simplify if possible.
- $$\frac { 2 } { x ^ { 2 } - 4 } - \frac { x } { x ^ { 2 } - 4 x + 4 } + \frac { 1 } { x + 2 }$$

A) $\frac { - 4 x } { ( x + 2 ) ( x - 2 ) }$
B) $\frac { 4 x } { ( x + 2 ) ( x - 2 ) ^ { 2 } }$
C) $\frac { - 4 x } { ( x + 2 ) ( x - 2 ) ^ { 2 } }$
D) $\frac { 3 - x } { ( x + 2 ) ( x - 2 ) ^ { 2 } }$