Factor by Grouping $$x ^ { 3 } + 2 x ^ { 2 } - 10 x - 20$$

Multiple Choice

Factor by grouping.
- $$x ^ { 3 } + 2 x ^ { 2 } - 10 x - 20$$

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