Question
$$40000000x^3 = 66$$
Answer
This equation has no solution.
Explanation
$$ \begin{aligned} 40000000x^3 &= 66&& \text{move all terms to the left hand side } \\[1 em]x^3-66 &= 0&& \\[1 em] \end{aligned} $$
This polynomial has no rational roots that can be found using Rational Root Test.
Roots were found using qubic formulas.
This page was created using
Polynomial Equations Solver