Perform the Indicated Operation and Express Your Answer in Simplest $\frac { 3 x } { x ^ { 2 } + 4 x } + \frac { 4 } { x }$

Short Answer

Perform the indicated operation and express your answer in simplest form. $\frac { 3 x } { x ^ { 2 } + 4 x } + \frac { 4 } { x }$ Please enter your answer as one fraction with the denominator factored completely.