Algebra

Quadratic formula calculator

Solve ax² + bx + c = 0 for real or complex roots.

ResultEnter your values to see the result

How to use this calculator

Enter a, b and c. Solve ax² + bx + c = 0 for real or complex roots. The answer updates when you change an input.

Understanding the result

The discriminant determines whether the two roots are real, repeated or complex.