Find the Integral $$\int \frac { x ^ { 3 } + 2 x + 5 } { ( x + 1 ) \left( x ^ { 2 } + 1 \right) } d x$$

Find the integral. $$\int \frac { x ^ { 3 } + 2 x + 5 } { ( x + 1 ) \left( x ^ { 2 } + 1 \right) } d x$$