Perform the indicated operation. Simplify if possible.
-$$\frac { a } { a ^ { 2 } + 10 a + 25 } + \frac { 7 } { a ^ { 2 } + 7 a + 10 }$$
A) $\frac { a ^ { 2 } + 2 a + 7 } { ( a + 5 ) ^ { 2 } ( a + 2 ) }$
B) $\frac { a ^ { 2 } + 2 a + 7 } { ( a + 5 ) ( a + 2 ) }$
C) $\frac { a ^ { 2 } + 9 a + 35 } { ( a + 5 ) ^ { 2 } ( a + 2 ) }$
D) $\frac { a ^ { 2 } - 9 a - 35 } { ( a + 5 ) ^ { 2 } ( a + 2 ) }$

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The Answer of Perform the indicated operation. Simplify if possible.
-$$\frac { a } { a ^ { 2 } + 10 a + 25 } + \frac { 7 } { a ^ { 2 } + 7 a + 10 }$$
A) $\frac { a ^ { 2 } + 2 a + 7 } { ( a + 5 ) ^ { 2 } ( a + 2 ) }$
B) $\frac { a ^ { 2 } + 2 a + 7 } { ( a + 5 ) ( a + 2 ) }$
C) $\frac { a ^ { 2 } + 9 a + 35 } { ( a + 5 ) ^ { 2 } ( a + 2 ) }$
D) $\frac { a ^ { 2 } - 9 a - 35 } { ( a + 5 ) ^ { 2 } ( a + 2 ) }$

Perform the Indicated Operation aa2+10a+25+7a2+7a+10\frac { a } { a ^ { 2 } + 10 a + 25 } + \frac { 7 } { a ^ { 2 } + 7 a + 10 }a2+10a+25a​+a2+7a+107​

Perform the Indicated Operation $\frac { a } { a ^ { 2 } + 10 a + 25 } + \frac { 7 } { a ^ { 2 } + 7 a + 10 }$