The Second Derivative $\frac { d ^ { 2 } } { d x ^ { 2 } } \left( \left( x ^ { 2 } - 1 \right) ( x + 2 ) \right)$

Multiple Choice

The second derivative $\frac { d ^ { 2 } } { d x ^ { 2 } } \left( \left( x ^ { 2 } - 1 \right) ( x + 2 ) \right)$ is

A) $3 x ^ { 2 } + 4 x - 1$
B) $2 x$
C) 0
D) $6 x + 4$
E) $6 x - 4$