CalcNest AI

Quadratic Equation Calculator

Solve any quadratic equation ax² + bx + c = 0 and find both real or complex roots.

About Quadratic Equation Calculator

Solve any quadratic equation ax² + bx + c = 0 and find both real or complex roots.

Formula

x = [-b ± √(b²–4ac)] / 2a

Example

x² – 5x + 6 = 0 → x = 3, x = 2.

How to Use

Enter your values in the fields above and click "Calculate" to get instant results. All calculations happen in your browser — nothing is sent to any server.

Frequently Asked Questions

What is Quadratic Equation Calculator?
Solve any quadratic equation ax² + bx + c = 0 and find both real or complex roots.

What formula does this use?
This calculator uses: x = [-b ± √(b²–4ac)] / 2a

Is this calculator free?
Yes! All calculators on CalcNest AI are 100% free with no account required.

Is my data safe?
Absolutely. All calculations run locally in your browser. We never store or transmit your input data.

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