# 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 $$$x^{3} - 7 x^{2} + 7 x + 15 = 0$$$**

### Answer

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

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

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