Write the Form of the Partial Fraction Decomposition of the Rational

Multiple Choice

Write the form of the partial fraction decomposition of the rational expression.Do not solve for the constants.​ $$\frac { x - 3 } { x ^ { 2 } + 7 x + 12 }$$ ​

A) $\frac { 3 } { x + 3 } + \frac { 3 } { x + 4 } + \frac { 3 } { x + 3 }$
B) $\frac { 1 } { x + 3 } + \frac { 1 } { x + 4 }$
C) $\frac { A } { x + 3 } - \frac { B } { x + 4 } + \frac { C } { x + 3 }$
D) $\frac { A } { x - 3 } - \frac { B } { x - 4 } + \frac { C } { x - 4 }$
E) $\frac { A } { x + 3 } + \frac { B } { x + 4 }$