$$-1000000x^3+1560000x^2+864200x+17357 = 0$$
Answer
$$ \begin{matrix}x_1 = -0.02088 & x_2 = -0.4162 & x_3 = 1.99708 \end{matrix} $$
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