Perform the indicated operation. Simplify the answer if possible. $$\frac { 5 } { a + 9 } - \frac { 2 } { - 9 - a }$$
A) $\frac { 7 } { a - 9 }$
B) $\frac { 7 } { a + 9 }$
C) $\frac { - 7 } { a + 9 }$
D) $\frac { 7 a } { a - 9 }$
E)none of these

Question

Quizplus · Accepted Answer

The correct answer is B because the least common denominator is (a + 9)(-9 - a).

Perform the Indicated Operation 5a+9−2−9−a\frac { 5 } { a + 9 } - \frac { 2 } { - 9 - a }a+95​−−9−a2​

Perform the Indicated Operation $\frac { 5 } { a + 9 } - \frac { 2 } { - 9 - a }$