Find the Zeros of the Polynomial Function
- $$f ( x ) = x ^ { 3 } + 5 x ^ { 2 } - 4 x - 20$$

Multiple Choice

Find the zeros of the polynomial function
- $$f ( x ) = x ^ { 3 } + 5 x ^ { 2 } - 4 x - 20$$

A) $x = - 2 , x = 2$
B) $x = - 5 , x = 4$
C) $x = - 5 , x = - 2 , x = 2$
D) $x = 5 , x = - 2 , x = 2$