Solve for Real Roots $x ^ { 2 / 3 } - 8 x ^ { 1 / 3 } + 15 = 0$

Multiple Choice

Solve for real roots.
- $x ^ { 2 / 3 } - 8 x ^ { 1 / 3 } + 15 = 0$

A) $x = 27,125$
B) $x = - 5 , - 3$
C) $x = 3,5$
D) $x = - 125 , - 27$