Question

1. $8x^{3}-125=0$

Explanation:

Step1: Isolate the cubic term

$8x^3 = 125$

Step2: Solve for $x^3$

$x^3 = \frac{125}{8}$

Step3: Take cube root of both sides

$x = \sqrt[3]{\frac{125}{8}}$

Answer:

$x = \frac{5}{2}$