The roots of polynomial $ p(x) $ are:
$$ \begin{aligned}x_1 &= 464.9244\\[1 em]x_2 &= 187.0756 \end{aligned} $$The solutions of $ x^2-652x+86976 = 0 $ are: $ x = 326-10 \sqrt{ 193 } ~ \text{and} ~ x = 326+10 \sqrt{ 193 }$.
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