Find the Zeros of the Polynomial Function $$f ( x ) = x ^ { 3 } + x ^ { 2 } - 42 x$$

Multiple Choice

Find the zeros of the polynomial function.
- $$f ( x ) = x ^ { 3 } + x ^ { 2 } - 42 x$$

A) $x = 0 , x = - 7 , x = 6$
B) $x = - 7 , x = 6$
C) $x = 5 , x = 6$
D) $x = 0 , x = 5 , x = 6$ x