Find roots of polynomial $$ p(x) = 6x^4-12x^3-42x^2+48x+70 $$
Answer
The roots of polynomial $ p(x) $ are:
$$ \begin{aligned}x_1 &= -0.9725\\[1 em]x_2 &= -2.0163\\[1 em]x_3 &= 1.9725\\[1 em]x_4 &= 3.0163 \end{aligned} $$Explanation
Polynomial $ 6x^4-12x^3-42x^2+48x+70 $ has no rational roots that can be found using Rational Root Test, so the roots were found using quartic formulas.
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