The roots of polynomial $ p(x) $ are:
$$ \begin{aligned}x_1 &= 2.0437\\[1 em]x_2 &= -0.0718+0.5371i\\[1 em]x_3 &= -0.0718-0.5371i \end{aligned} $$Polynomial $ 10x^3-19x^2-6 $ has no rational roots that can be found using Rational Root Test, so the roots were found using qubic formulas.