Quadratic Formula Calculator
Solve ax² + bx + c = 0 — real and complex roots with step-by-step solution
1x² + -5x + 6 = 0
Discriminant (b² − 4ac)
1Two distinct real roots
Roots
x₁
3
x₂
2
Vertex (turning point)
(2.5, -0.25)
The parabola opens upward ↑
Step-by-step solution
- 1Given: 1x² + -5x + 6 = 0
- 2Discriminant: b² − 4ac = -5² − 4(1)(6) = 25 − 24 = 1
- 3D > 0: two distinct real roots
- 4x₁ = (−-5 + √1) / (2×1) = 3.000000
- 5x₂ = (−-5 − √1) / (2×1) = 2.000000
- 6Vertex: (2.5000, -0.2500)
- 100% free — no account needed
- Runs in your browser
- Nothing is uploaded
Frequently asked questions
Is Quadratic Formula Calculator really free?
Yes. Quadratic Formula Calculator is completely free on PureBrowser — every feature, with no account, no trial, and no credit card.
Does Quadratic Formula Calculator upload my data?
No. Quadratic Formula Calculator runs entirely inside your browser, so anything you type, paste, or open stays on your own device.
Do I need to sign up or install anything?
Neither. There is no account and nothing to download — open the page and Quadratic Formula Calculator is ready to use on desktop or mobile.
Does Quadratic Formula Calculator work offline?
Once the page has loaded, yes. All of the processing happens locally in your browser, so it keeps working without a connection.
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