The roots of polynomial $ p(x) $ are:
$$ \begin{aligned}x_1 &= 1.8833\\[1 em]x_2 &= -0.3379 \end{aligned} $$The solutions of $ -11x^2+17x+7 = 0 $ are: $ x = \dfrac{ 17 }{ 22 }-\dfrac{\sqrt{ 597 }}{ 22 } ~ \text{and} ~ x = \dfrac{ 17 }{ 22 }+\dfrac{\sqrt{ 597 }}{ 22 }$.
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