Subtract Simplify the Result, If Possible $$\frac { x } { x ^ { 2 } - 16 } - \frac { 7 } { x ^ { 2 } + 5 x + 4 }$$

Subtract. Simplify the result, if possible.
- $$\frac { x } { x ^ { 2 } - 16 } - \frac { 7 } { x ^ { 2 } + 5 x + 4 }$$

A) $\frac { x ^ { 2 } - 6 x + 28 } { ( x - 4 ) ( x + 4 ) }$
B) $\frac { x ^ { 2 } - 6 } { ( x - 4 ) ( x + 4 ) ( x + 1 ) }$
C) $\frac { x ^ { 2 } + 6 x + 28 } { ( x - 4 ) ( x + 4 ) ( x + 1 ) }$
D) $\frac { x ^ { 2 } - 6 x + 28 } { ( x - 4 ) ( x + 4 ) ( x + 1 ) }$

Correct Answer:

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