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Quadratic Equation Solver

Solve ax² + bx + c = 0 and see the discriminant.

These are example values. Enter your own.

Result

Root x₁
3
Root x₂2
Discriminant1

How it's calculated

For ax² + bx + c = 0, the roots are x = (−b ± √(b² − 4ac)) ÷ 2a. If b² − 4ac is negative the roots are complex.

Frequently asked questions

How is the Quadratic Equation Solver calculated?

For ax² + bx + c = 0, the roots are x = (−b ± √(b² − 4ac)) ÷ 2a. If b² − 4ac is negative the roots are complex.

How do I use the Quadratic Equation Solver?

Enter your values in the fields above. The result updates instantly as you type, so there is no button to press. You can switch between English and Urdu, and change the currency, at the top of the page.

Is this calculator free and private?

Yes. It is free to use and needs no sign-up. All calculations run in your browser, so the numbers you enter are not sent to our server.

Results are estimates for information only, not professional advice. · Last updated:

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