The roots of polynomial $ p(x) $ are:
$$ \begin{aligned}x_1 &= -0.0962\\[1 em]x_2 &= -0.6019+4.5433i\\[1 em]x_3 &= -0.6019-4.5433i \end{aligned} $$Polynomial $ 50x^3+65x^2+1056x+101 $ has no rational roots that can be found using Rational Root Test, so the roots were found using qubic formulas.