Add and Subtract Rational Expressions
- $$\frac { x - 5 } { x ^ { 2 } + 12 x + 32 } + \frac { 2 x + 7 } { x ^ { 2 } + 9 x + 20 }$$

Add and Subtract Rational Expressions
- $$\frac { x - 5 } { x ^ { 2 } + 12 x + 32 } + \frac { 2 x + 7 } { x ^ { 2 } + 9 x + 20 }$$

A) $\frac { 3 x ^ { 2 } + 23 x + 31 } { ( x + 4 ) ( x + 8 ) ( x + 5 ) }$
B) $\frac { 3 x ^ { 2 } + 23 x + 31 } { ( x - 4 ) ( x - 8 ) ( x - 5 ) }$
C) $\frac { 3 x + 2 } { 2 x ^ { 2 } + 21 x + 52 }$
D) $3 x + 2$