Quadratic Equation Solver
Solve ax² + bx + c = 0 and show both roots. Free, no signup.
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Solve ax² + bx + c = 0 and show both roots. Free, no signup.
How to use Quadratic Equation Solver
- Open the toolNo signup and nothing to install; it works as soon as the page loads.
- Set “a”
- Set “b”
- Set “c”
- Read the resultChange any input and the result is recalculated immediately.
Worked example with the defaults
- Roots of 1x² + -3x + 2
- 2.000, 1.000
Nothing you enter leaves your device
All of the work happens inside your browser. Whatever you type is never packaged up and sent to a server, and no request this page makes carries it.
That makes it safe for contract amounts, personal details and internal documents you would rather not hand to a third party — close the tab and it is gone.
What this tool does not do
Quadratic Equation Solver only does what a browser can do on its own — it talks to no backend service. So it keeps no history for you and syncs nothing across devices; if you need a record, copy or download the result.
It is also not a substitute for professional judgement. For legal, medical or tax decisions, treat the output as a starting point rather than a final answer.
Frequently Asked Questions
- No real roots?
- A negative discriminant means the roots are complex.