Perform the Indicated Operation and Express Your Answer in Simplest $\frac { 5 } { x ^ { 2 } + 3 } - \frac { 2 } { x ^ { 2 } - 4 x - 5 }$

Multiple Choice

Perform the indicated operation and express your answer in simplest form. $\frac { 5 } { x ^ { 2 } + 3 } - \frac { 2 } { x ^ { 2 } - 4 x - 5 }$

A) $\frac { 3 x ^ { 2 } - 20 x - 31 } { \left( x ^ { 2 } + 3 \right) ( x - 1 ) ( x + 5 ) }$
B) $\frac { x ^ { 2 } - 20 x - 31 } { \left( x ^ { 2 } + 3 \right) ( x - 1 ) ( x + 5 ) }$
C) $\frac { x ^ { 2 } - 20 x - 31 } { \left( x ^ { 2 } + 3 \right) ( x + 1 ) ( x - 5 ) }$
D) $\frac { x ^ { 2 } - 20 x - 31 } { \left( x ^ { 2 } - 3 \right) ( x + 1 ) ( x - 5 ) }$
E) $\frac { 3 x ^ { 2 } - 20 x - 31 } { \left( x ^ { 2 } + 3 \right) ( x + 1 ) ( x - 5 ) }$