The roots of polynomial $ p(t) $ are:
$$ \begin{aligned}t_1 &= -0.3542\\[1 em]t_2 &= -5.6458 \end{aligned} $$The solutions of $ 5t^2+30t+10 = 0 $ are: $ t = -3-\sqrt{ 7 } ~ \text{and} ~ t = -3+\sqrt{ 7 }$.
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