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Quadratic Equation Calculator

Quadratic Equation Calculator helps you calculate roots of ax²+bx+c=0 quickly with transparent formulas.

Inputs

Formula

x = (-b ± √(b²-4ac)) / 2a

Step-by-step

  1. Calculate discriminant.
  2. Apply quadratic formula.

Example

Using default values, result: Roots 2 and 1

Frequently asked questions

How accurate is the Quadratic Equation Calculator?

Results are estimate-grade and depend on your inputs and assumptions.

Can I use Quadratic Equation Calculator for professional decisions?

Use this as guidance and verify with a qualified professional when stakes are high.

For educational purposes only. Results are estimates, not professional advice.

Last reviewed: 2026-07-14

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