Add and Subtract Rational Expressions
- $$\frac { 9 } { x - 4 } - \frac { 1 } { 4 - x }$$

Add and Subtract Rational Expressions
- $$\frac { 9 } { x - 4 } - \frac { 1 } { 4 - x }$$

A) $\frac { 10 } { x - 4 }$
B) $\frac { 8 } { x - 4 }$
C) $\frac { 40 - 10 x } { ( x - 4 ) ( 4 - x ) }$
D) $\frac { 10 } { 4 - x }$