Perform the Indicated Operations and Simplify the Result $$\frac { \frac { 6 } { x } + 6 } { \frac { 6 } { x } - 6 }$$

Perform the indicated operations and simplify the result. Leave the answer in factored form.
- $$\frac { \frac { 6 } { x } + 6 } { \frac { 6 } { x } - 6 }$$

A) $\frac { x ^ { 2 } } { 6 - x ^ { 2 } }$
B) $6 - x ^ { 2 }$
C) $\frac { 6 ( 1 + x ) } { 1 - x }$
D) $\frac { 1 + x } { 1 - x }$