Find roots of polynomial $$ p(x) = x^3-x^2+15x-45 $$
Answer
The roots of polynomial $ p(x) $ are:
$$ \begin{aligned}x_1 &= 2.4338\\[1 em]x_2 &= -0.7169+4.2398i\\[1 em]x_3 &= -0.7169-4.2398i \end{aligned} $$Explanation
Polynomial $ x^3-x^2+15x-45 $ 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