Simplify the Rational Expression $$\frac { x ^ { 2 } + 4 x - 45 } { x ^ { 2 } + 2 x - 63 }$$

Multiple Choice

Simplify the rational expression. (Assume the denominator is nonzero.)
- $$\frac { x ^ { 2 } + 4 x - 45 } { x ^ { 2 } + 2 x - 63 }$$

A) $\frac { x - 5 } { x - 7 }$

B) $\frac { 4 x - 5 } { 2 x - 7 }$

C) $\frac { 4 x - 45 } { 2 x - 63 }$

D) $- \frac { x ^ { 2 } + 4 x - 45 } { x ^ { 2 } + 2 x - 63 }$