Find roots of polynomial $$ p(x) = 3x^4+26x^3+77x^2+84x+24 $$
Answer
The roots of polynomial $ p(x) $ are:
$$ \begin{aligned}x_1 &= -0.4349\\[1 em]x_2 &= -1.6097\\[1 em]x_3 &= -3.311+0.6812i\\[1 em]x_4 &= -3.311-0.6812i \end{aligned} $$Explanation
Polynomial $ 3x^4+26x^3+77x^2+84x+24 $ has no rational roots that can be found using Rational Root Test, so the roots were found using quartic formulas.
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