Mathematics · INTERACTIVE LAB

Linear & quadratic equations

Solve ax² + bx + c = 0, with the discriminant and substitution checks.

Local computationExplained methodNo account

Before you start

Enter the three coefficients, or convert a polynomial equation such as (x+1)^2 = 9. Set a to zero for a linear equation.

The answer and the path to it

What this model can do

Real solutions only. Floating-point arithmetic can lose precision for extreme coefficients.