Solve the Polynomial Equation $$( 3 x + 1 ) ( x - 2 ) ^ { 2 } ( x + 6 ) = 0$$

Multiple Choice

Solve the polynomial equation.
- $$( 3 x + 1 ) ( x - 2 ) ^ { 2 } ( x + 6 ) = 0$$

A) $\frac { 1 } { 3 } , - 2,6$
B) $- \frac { 1 } { 3 } , 2 , - 6$
C) $- \frac { 1 } { 3 } , - 2,2 , - 6$
D) $- 1,4 , - 6$