$$-x^3+x^2+202x-708 = 0$$
Answer
$$ \begin{matrix}x_1 = 3.68554 & x_2 = 12.58222 & x_3 = -15.26776 \end{matrix} $$
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