Find roots of polynomial $$ p(x) = 5x^2-20x+16 $$
Answer
The roots of polynomial $ p(x) $ are:
$$ \begin{aligned}x_1 &= 2.8944\\[1 em]x_2 &= 1.1056 \end{aligned} $$Explanation
The solutions of $ 5x^2-20x+16 = 0 $ are: $ x = 2-\dfrac{ 2 \sqrt{ 5}}{ 5 } ~ \text{and} ~ x = 2+\dfrac{ 2 \sqrt{ 5}}{ 5 }$.
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