$$-x^3+6x^2-11x+4 = 0$$
Answer
$$ \begin{matrix}x_1 = 0.47862 & x_2 = 2.76069+0.85787i & x_3 = 2.76069-0.85787i \end{matrix} $$
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