Perform the Indicated Operation and Simplify If Possible $\frac { 6 } { x + 1 } \cdot ( 9 x + 9 )$

Perform the indicated operation and simplify if possible.
- $\frac { 6 } { x + 1 } \cdot ( 9 x + 9 )$

A) 45
B) 6
C) 54
D) 9