Perform the indicated operation. Simplify if possible.
-$$\frac { 6 x } { x + 1 } + \frac { 7 } { x - 1 } - \frac { 12 } { x ^ { 2 } - 1 }$$
A) $\frac { 6 x - 5 } { x - 1 }$
B) $\frac { 6 x - 5 } { x + 1 }$
C) $\frac { 6 x } { x - 1 }$
D) $\frac { x + 1 } { x - 1 }$

Question

Quizplus · Accepted Answer

The expression simplifies to $\frac { 6 x - 5 } { x - 1 }$ after finding a common denominator, which is $x^2 - 1 = (x + 1)(x - 1)$, and combining the fractions accordingly.

Perform the Indicated Operation 6xx+1+7x−1−12x2−1\frac { 6 x } { x + 1 } + \frac { 7 } { x - 1 } - \frac { 12 } { x ^ { 2 } - 1 }x+16x​+x−17​−x2−112​

Perform the Indicated Operation $\frac { 6 x } { x + 1 } + \frac { 7 } { x - 1 } - \frac { 12 } { x ^ { 2 } - 1 }$