Find roots of polynomial $$ p(x) = x^3-11x^2+7x-147 $$
Answer
The roots of polynomial $ p(x) $ are:
$$ \begin{aligned}x_1 &= 11.5025\\[1 em]x_2 &= -0.2512+3.5661i\\[1 em]x_3 &= -0.2512-3.5661i \end{aligned} $$Explanation
Polynomial $ x^3-11x^2+7x-147 $ has no rational roots that can be found using Rational Root Test, so the roots were found using qubic formulas.
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