If Possible, Factor the Polynomial Completely $$45 x ^ { 3 } - 21 x ^ { 2 } - 6 x$$

Multiple Choice

If possible, factor the polynomial completely. If a polynomial cannot be factored, state that it is prime.
- $$45 x ^ { 3 } - 21 x ^ { 2 } - 6 x$$

A) $x ( 3 x - 2 ) ( 15 x + 3 )$
B) $3 \left( 3 x ^ { 2 } - 2 \right) ( 5 x + 1 )$
C) $3 x ( 3 x - 2 ) ( 5 x + 1 )$
D) $x ( 9 x - 6 ) ( 5 x + 1 )$