Simplify the Rational Expression $$\frac { x ^ { 2 } - 2 x + 6 x - 12 } { 2 x ^ { 2 } + 9 x + 12 x + 54 }$$

Multiple Choice

Simplify the rational expression. If the rational expression cannot be simplified, so state.
- $$\frac { x ^ { 2 } - 2 x + 6 x - 12 } { 2 x ^ { 2 } + 9 x + 12 x + 54 }$$

A) $\frac { x ^ { 2 } - 8 x - 12 } { 2 x ^ { 2 } + 21 x + 54 }$
B) $\frac { x - 2 } { x + 6 }$
C) $\frac { x - 2 } { 2 x + 9 }$
D) $\frac { x + 6 } { 2 x + 9 }$