Subtract. Simplify, if possible.
-$$\frac { 6 } { x + 6 } - \frac { 6 } { x - 6 }$$
A) $\frac { - 72 } { x ^ { 2 } - 36 }$
B) 0
C) $\frac { 2 x ^ { 2 } - 72 } { x ^ { 2 } + 36 }$
D) $\frac { 2 x ^ { 2 } } { x ^ { 2 } + 36 }$

Question

Quizplus · Accepted Answer

To subtract the fractions, find a common denominator, which is $(x+6)(x-6) = x^2 - 36$. The subtraction becomes $\frac{6(x-6) - 6(x+6)}{x^2 - 36}$, simplifying to $\frac{-72}{x^2 - 36}$.

Subtract Simplify, If Possible 6x+6−6x−6\frac { 6 } { x + 6 } - \frac { 6 } { x - 6 }x+66​−x−66​

Subtract Simplify, If Possible $\frac { 6 } { x + 6 } - \frac { 6 } { x - 6 }$