Solve the Equation by Using Substitution $$z ^ { 2 / 3 } + 2 z ^ { 1 / 3 } - 15 = 0$$

Multiple Choice

Solve the equation by using substitution.
- $$z ^ { 2 / 3 } + 2 z ^ { 1 / 3 } - 15 = 0$$

A) $\{ 27,125 \}$
B) $\{ 9,25 \}$
C) $\{ 6 , - 6 \}$
D) $\{ 27 , - 125 \}$