The roots of polynomial $ p(x) $ are:
$$ \begin{aligned}x_1 &= -1.5505\\[1 em]x_2 &= -6.4495 \end{aligned} $$The solutions of $ x^2+8x+10 = 0 $ are: $ x = -4-\sqrt{ 6 } ~ \text{and} ~ x = -4+\sqrt{ 6 }$.
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