Question
Find roots of polynomial $$ p(x) = 7x^2+x-7 $$
Answer
The roots of polynomial $ p(x) $ are:
$$ \begin{aligned}x_1 &= 0.9311\\[1 em]x_2 &= -1.074 \end{aligned} $$Explanation
The solutions of $ 7x^2+x-7 = 0 $ are: $ x = -\dfrac{ 1 }{ 14 }-\dfrac{\sqrt{ 197 }}{ 14 } ~ \text{and} ~ x = -\dfrac{ 1 }{ 14 }+\dfrac{\sqrt{ 197 }}{ 14 }$.
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