Find roots of polynomial $$ p(x) = x^4+60x^3+760x^2-8000x-152000 $$
Answer
The roots of polynomial $ p(x) $ are:
$$ \begin{aligned}x_1 &= 12.3193\\[1 em]x_2 &= -35.9236\\[1 em]x_3 &= -18.1979+3.5068i\\[1 em]x_4 &= -18.1979-3.5068i \end{aligned} $$Explanation
Polynomial $ x^4+60x^3+760x^2-8000x-152000 $ has no rational roots that can be found using Rational Root Test, so the roots were found using quartic formulas.
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