$$12x^3+48x^2+79x+24 = 0$$
Answer
$$ \begin{matrix}x_1 = -0.38532 & x_2 = -1.80734+1.3871i & x_3 = -1.80734-1.3871i \end{matrix} $$
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