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Algebra Calculator

Solve quadratic equations

ax² + bx + c = 0

Quadratic Formula

x = (-b ± √(b² - 4ac)) / 2a

The quadratic formula solves equations of the form ax² + bx + c = 0, where a ≠ 0. The discriminant (b² - 4ac) determines the nature of the roots:

  • Positive: Two distinct real roots
  • Zero: One repeated real root
  • Negative: Two complex roots

Frequently Asked Questions

What does the Algebra Calculator do?

Calculate algebra instantly with this free online calculator. Useful for general tasks. Accurate results in your browser. No signup required. Enter your values above to see results instantly in your browser. This page is part of Try To Calculator's free online calculator collection.

Is the Algebra Calculator free?

Yes. Try To Calculator tools are free to use and do not require an account for this page.

Are my inputs sent to your servers?

No. Calculations run locally in your browser; we do not collect the numbers you type or the results shown.

Is the Algebra Calculator a substitute for professional advice?

This tool is for education and quick estimates. For medical, legal, tax, or financial decisions, confirm results with a qualified professional.