Find roots of polynomial $$ p(x) = 16x^3+18x^2-1 $$
Answer
The roots of polynomial $ p(x) $ are:
$$ \begin{aligned}x_1 &= 0.2159\\[1 em]x_2 &= -0.2704\\[1 em]x_3 &= -1.0705 \end{aligned} $$Explanation
Polynomial $ 16x^3+18x^2-1 $ has no rational roots that can be found using Rational Root Test, so the roots were found using qubic formulas.
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