Subtract Simplify, If Possible $\frac{2 x+6}{x^{2}+7 x+10}-\frac{x+1}{x^{2}+7 x+10}$ A) $\frac{7}{x^{2}+7 x+10}$ B) $x+5$

Multiple Choice

Subtract. Simplify, if possible.
- $\frac{2 x+6}{x^{2}+7 x+10}-\frac{x+1}{x^{2}+7 x+10}$

A) $\frac{7}{x^{2}+7 x+10}$
B) $x+5$
C) $\frac{x+7}{x^{2}+7 x+10}$
D) $\frac{1}{x+2}$