Perform the Indicated Operation $\frac { 7 } { x } \cdot \left( \frac { 2 } { x + 2 } - \frac { 2 } { x - 2 } \right)$

Multiple Choice

Perform the indicated operation. Simplify if possible.
- $\frac { 7 } { x } \cdot \left( \frac { 2 } { x + 2 } - \frac { 2 } { x - 2 } \right)$

A) $\frac { 28 } { x ( x + 2 ) ( x - 2 ) }$
B) $- \frac { 28 } { x ( x + 2 ) ( x - 2 ) }$
C) $- \frac { 56 } { x ( x + 2 ) ( x - 2 ) }$
D) $\frac { 56 } { x ( x + 2 ) ( x - 2 ) }$