Factor
- $$3 x ^ { 3 } + 6 x ^ { 2 } - 45 x$$

Multiple Choice

Factor.
- $$3 x ^ { 3 } + 6 x ^ { 2 } - 45 x$$

A) $3 x ( x - 3 ) ( x + 5 )$
B) $\left( 3 x ^ { 2 } + 9 x \right) ( x - 5 )$
C) $3 x ( x + 3 ) ( x - 5 )$
D) $( x - 3 ) \left( 3 x ^ { 2 } + 15 \right)$