$$5x^3-6x^2-x+4 = 0$$
Answer
$$ \begin{matrix}x_1 = -0.70304 & x_2 = 0.95152+0.48221i & x_3 = 0.95152-0.48221i \end{matrix} $$
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