Question
Find roots of polynomial $$ p(x) = -3x^2-30x+121 $$
Answer
The roots of polynomial $ p(x) $ are:
$$ \begin{aligned}x_1 &= 3.0829\\[1 em]x_2 &= -13.0829 \end{aligned} $$Explanation
The solutions of $ -3x^2-30x+121 = 0 $ are: $ x = -5-\dfrac{ 14 \sqrt{ 3}}{ 3 } ~ \text{and} ~ x = -5+\dfrac{ 14 \sqrt{ 3}}{ 3 }$.
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