Cubic Equation Calculator

Solve cubic equations

The calculator will find the roots of the cubic equation in both the analytic and the approximate forms.

Your input: solve the cubic equation $x^{3} - 7 x^{2} + 7 x + 15 = 0$

Multiplicity: $1$ , $x_{1}=5$

Multiplicity: $1$ , $x_{2}=3$

Multiplicity: $1$ , $x_{3}=-1$