Loading [MathJax]/jax/output/HTML-CSS/fonts/TeX/fontdata.js

Cubic Equation Calculator

Solve cubic equations

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

Enter a cubic equation:

For example, x^3-5x^2-3x+7=0 or x^3+1=5x^2.

If the calculator did not compute something or you have identified an error, or you have a suggestion/feedback, please contact us.

Your input: solve the cubic equation x37x2+7x+15=0

Answer

Multiplicity: 1,  x1=5

Multiplicity: 1,  x2=3

Multiplicity: 1,  x3=1