The roots of polynomial $ p(x) $ are:
$$ \begin{aligned}x_1 &= 9.5826\\[1 em]x_2 &= 0.4174 \end{aligned} $$The solutions of $ x^2-10x+4 = 0 $ are: $ x = 5-\sqrt{ 21 } ~ \text{and} ~ x = 5+\sqrt{ 21 }$.
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