Perform the Indicated Operations $$\frac { 49 x } { 3 ( 7 x + 1 ) } - \frac { 1 } { 3 x ( 7 x + 1 ) } + \frac { 12 } { x }$$

Multiple Choice

Perform the indicated operations.
- $$\frac { 49 x } { 3 ( 7 x + 1 ) } - \frac { 1 } { 3 x ( 7 x + 1 ) } + \frac { 12 } { x }$$

A) $\frac { 7 ( x + 5 ) } { 21 x ^ { 2 } + 3 x }$

B) $\frac { 49 x ^ { 2 } + 252 x + 35 } { 3 x }$

C) $\frac { 49 x ^ { 2 } + 252 x + 35 } { 21 x ^ { 2 } + 3 x }$

D) $\frac { 7 ( x + 5 ) } { 3 x }$