Subtract. Simplify, if possible.
-$$\frac { 4 x } { x ^ { 2 } - 9 } - \frac { 7 } { 3 - x }$$
A) $\frac { 11 x + 21 } { x ^ { 2 } - 9 }$
B) $\frac { 4 x - 7 } { x ^ { 2 } - 9 }$
C) $\frac { 11 x - 21 } { x ^ { 2 } - 9 }$
D) $\frac { - 3 x - 21 } { x ^ { 2 } - 9 }$

Question

Quizplus · Accepted Answer

The correct answer is A because the least common denominator is (x+3)(x-3).

Subtract Simplify, If Possible 4xx2−9−73−x\frac { 4 x } { x ^ { 2 } - 9 } - \frac { 7 } { 3 - x }x2−94x​−3−x7​

Subtract Simplify, If Possible $\frac { 4 x } { x ^ { 2 } - 9 } - \frac { 7 } { 3 - x }$