Find roots of polynomial $$ p(x) = x^2-216x-864 $$
Answer
The roots of polynomial $ p(x) $ are:
$$ \begin{aligned}x_1 &= 219.9285\\[1 em]x_2 &= -3.9285 \end{aligned} $$Explanation
The solutions of $ x^2-216x-864 = 0 $ are: $ x = 108-12 \sqrt{ 87 } ~ \text{and} ~ x = 108+12 \sqrt{ 87 }$.
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