Solve the Equation Exactly in the Complex Number System $$x ^ { 3 } + 4 x ^ { 2 } - 2 x - 8 = 0$$

Multiple Choice

Solve the equation exactly in the complex number system.
- $$x ^ { 3 } + 4 x ^ { 2 } - 2 x - 8 = 0$$

A) $x = - \sqrt { 4 } , x = \pm 2$
B) $x = - 4 , x = \pm 2$
C) $x = - 4 , x = \pm \sqrt { 2 }$
D) $x = - \sqrt { 4 } , x = \pm \sqrt { 2 }$