Use Factoring by Grouping to Solve the Equation $$5 x ^ { 3 } + 3 x ^ { 2 } - 125 x - 75 = 0$$

Use factoring by grouping to solve the equation.
- $$5 x ^ { 3 } + 3 x ^ { 2 } - 125 x - 75 = 0$$

A) $- 5,5 , \frac { 3 } { 5 }$
B) $- \frac { 5 } { 3 } , - 5,1$
C) $- \frac { 3 } { 5 } , - 5,5$
D) $- \frac { 5 } { 3 } , - 5,5$