Question
Find roots of polynomial $$ p(x) = 40x^2-800x-40000 $$
Answer
The roots of polynomial $ p(x) $ are:
$$ \begin{aligned}x_1 &= 43.1662\\[1 em]x_2 &= -23.1662 \end{aligned} $$Explanation
The solutions of $ 40x^2-800x-40000 = 0 $ are: $ x = 10-10 \sqrt{ 11 } ~ \text{and} ~ x = 10+10 \sqrt{ 11 }$.
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