Perform the Indicated Operations $$\frac { 3 } { 10 x } + \frac { 9 } { 14 x ^ { 2 } }$$

Multiple Choice

Perform the indicated operations.
- $$\frac { 3 } { 10 x } + \frac { 9 } { 14 x ^ { 2 } }$$

A) $\frac { 12 } { 140 x ^ { 2 } }$
B) $\frac { 12 } { 10 x + 14 x ^ { 2 } }$
C) $\frac { 3 ( 7 x + 15 ) } { 70 x }$
D) $\frac { 3 ( 7 x + 15 ) } { 70 x ^ { 2 } }$