Factor by Grouping $$x ^ { 3 } + 3 x ^ { 2 } - 10 x - 30$$

Multiple Choice

Factor by grouping.
- $$x ^ { 3 } + 3 x ^ { 2 } - 10 x - 30$$

A) $( x + 3 ) \left( x ^ { 3 } - 10 x \right)$
B) $\left( x ^ { 2 } + 3 \right) ( x - 10 )$
C) $( x - 3 ) \left( x ^ { 2 } - 10 \right)$
D) $( x + 3 ) \left( x ^ { 2 } - 10 \right)$