Find roots of polynomial $$ p(x) = 6x^3+11x^2-36x-9 $$
Answer
The roots of polynomial $ p(x) $ are:
$$ \begin{aligned}x_1 &= -0.2353\\[1 em]x_2 &= 1.8494\\[1 em]x_3 &= -3.4475 \end{aligned} $$Explanation
Polynomial $ 6x^3+11x^2-36x-9 $ has no rational roots that can be found using Rational Root Test, so the roots were found using qubic formulas.
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