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Quadratic Equation Solver
Enter the coefficients a, b, and c of a quadratic equation (ax² + bx + c = 0) to solve for its roots, real or complex.
How to use this tool
- 1Enter coefficients a, b, and c.
- 2See the discriminant and both roots.
- 3Complex roots are shown if the discriminant is negative.
Frequently asked questions
What does the discriminant tell you?+
If b² − 4ac is positive, there are two real roots; if zero, one repeated real root; if negative, two complex roots.
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