Equation Solver

= 42 GoCalc

Solve linear and quadratic equations. Enter coefficients and get solutions instantly.Updated 2026-03-20

Quadratic: ax² + bx + c = 0


Linear: ax + b = 0

Frequently Asked Questions

What equations can this solve?

Linear (ax+b=0) and quadratic (ax²+bx+c=0) equations.

What if discriminant is negative?

The equation has complex (imaginary) roots, shown as a+bi.

Is this free?

Yes, completely free with no signup.

How to Use

  1. Adjust optional parameters for precision
  2. Try different values to compare
  3. Review the step-by-step explanation
  4. Save or print the results

FAQ

Does it show the work?

Yes, step-by-step breakdowns are provided so you can follow the calculation logic.

Can I compare different scenarios?

Adjust the inputs and recalculate to compare different scenarios side by side.

What if I get an unexpected result?

Double-check your input values and units. The tool validates inputs and shows error messages.

How is the result calculated?

Uses standard mathematical formulas widely accepted in the field. The formula is shown with each result.

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