Find roots of polynomial $$ p(x) = -x^3+802x^2-1600x-40 $$
Answer
The roots of polynomial $ p(x) $ are:
$$ \begin{aligned}x_1 &= -0.0247\\[1 em]x_2 &= 2.0248\\[1 em]x_3 &= 799.9999 \end{aligned} $$Explanation
Polynomial $ -x^3+802x^2-1600x-40 $ has no rational roots that can be found using Rational Root Test, so the roots were found using qubic formulas.
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