Perform the Indicated Operation $\frac { x - 3 } { x - 4 } + \frac { x - 6 } { x + 1 }$

Multiple Choice

Perform the indicated operation. Simplify, if possible. $\frac { x - 3 } { x - 4 } + \frac { x - 6 } { x + 1 }$

A) $\frac { 2 x - 9 } { ( x - 4 ) ( x + 1 ) }$
B) $\frac { 2 x - 9 } { 2 x - 3 }$
C) $\frac { 2 x ^ { 2 } - 11 x - 19 } { ( x - 4 ) ( x + 1 ) }$
D) $\frac { 2 x ^ { 2 } - 12 x + 21 } { ( x - 4 ) ( x + 1 ) }$