The roots of polynomial $ p(x) $ are:
$$ \begin{aligned}x_1 &= 15.7823\\[1 em]x_2 &= 2.2177 \end{aligned} $$The solutions of $ x^2-18x+35 = 0 $ are: $ x = 9-\sqrt{ 46 } ~ \text{and} ~ x = 9+\sqrt{ 46 }$.
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