Find roots of polynomial $$ p(x) = 3x^4+320x^3+20800x^2+896000x+8000000 $$
Answer
The roots of polynomial $ p(x) $ are:
$$ \begin{aligned}x_1 &= -11.5239\\[1 em]x_2 &= -61.4411\\[1 em]x_3 &= -16.8508+59.011i\\[1 em]x_4 &= -16.8508-59.011i \end{aligned} $$Explanation
Polynomial $ 3x^4+320x^3+20800x^2+896000x+8000000 $ has no rational roots that can be found using Rational Root Test, so the roots were found using quartic formulas.
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