Find roots of polynomial $$ p(x) = 4x^3-3x^2-30 $$
Answer
The roots of polynomial $ p(x) $ are:
$$ \begin{aligned}x_1 &= 2.242\\[1 em]x_2 &= -0.746+1.6699i\\[1 em]x_3 &= -0.746-1.6699i \end{aligned} $$Explanation
Polynomial $ 4x^3-3x^2-30 $ has no rational roots that can be found using Rational Root Test, so the roots were found using qubic formulas.
This page was created using
Polynomial Roots Calculator