$$-6250000000x^3+18750000000x^2-650121375x+2489616 = 0$$
Answer
$$ \begin{matrix}x_1 = 135.8644 & x_2 = -67.4322+117.37619i & x_3 = -67.4322-117.37619i \end{matrix} $$
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