Solve the Polynomial Equation $$x ^ { 3 } + 2 x ^ { 2 } - 5 x - 6 = 0$$

Multiple Choice

Solve the polynomial equation. In order to obtain the first root, use synthetic division to test the possible rational
roots.
- $$x ^ { 3 } + 2 x ^ { 2 } - 5 x - 6 = 0$$

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