Algebra Calculator
Solve linear equations, quadratic equations, and systems of equations step-by-step.
Published by:
isCalculator Editorial Team
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How to use this tool?
This calculator solves three types of algebra equations. Follow the steps below:
- Select Equation Type – Choose from the dropdown: Linear, Quadratic, or System of 2 Equations.
- Enter Coefficients – Input the numbers (any real numbers, including decimals) into the labeled fields:
- Linear:
aandbforax + b = 0 - Quadratic:
a,b,cforax² + bx + c = 0(a cannot be zero) - System:
a1, b1, c1anda2, b2, c2for two equations in the forma1x + b1y = c1anda2x + b2y = c2
- Linear:
- Click "Calculate" – The result and step-by-step solution appear below.
- Interpret Results:
- Linear: Shows
x = valueor an error if no solution or infinite solutions. - Quadratic: Shows real roots, a double root, or complex roots (as
real ± imag i). - System: Shows
xandyvalues, or an error if inconsistent or dependent.
- Linear: Shows
Note: All inputs are plain numbers (no units). Use decimal points for fractions. The calculator handles any real coefficients, including negatives.
Previous Results
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Frequently Asked Questions
It solves linear equations (ax + b = 0), quadratic equations (ax² + bx + c = 0), and systems of two linear equations in two variables.
Yes, it provides a step-by-step breakdown of the solution.
The calculator will display the complex roots in the form a ± bi.
