Divide Assume All Variables Are Nonzero $\frac { 27 x ^ { 4 } + 27 x } { 9 }$

Multiple Choice

Divide. Assume all variables are nonzero.
- $\frac { 27 x ^ { 4 } + 27 x } { 9 }$

A) $3 x ^ { 4 } + 27 x$
B) $3 x ^ { 3 } + 3$
C) $27 x ^ { 4 } + 3 x$
D) $3 x ^ { 4 } + 3 x$