$$4x^3-98x^2-162 = 0$$
Answer
$$ \begin{matrix}x_1 = 24.5671 & x_2 = -0.03355+1.28352i & x_3 = -0.03355-1.28352i \end{matrix} $$
Explanation
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