Equation Solver

Solve linear, quadratic, and cubic equations instantly with step-by-step solutions

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About This Tool

This powerful equation calculator solves linear, quadratic, and cubic equations in real-time. Simply enter the coefficients for your equation, select the equation type, and get instant solutions with detailed step-by-step explanations. The tool handles equations of the form ax + b = 0 (linear), ax² + bx + c = 0 (quadratic), and ax³ + bx² + cx + d = 0 (cubic), providing real and complex solutions where applicable. Perfect for students, teachers, and professionals needing quick equation solutions.

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How to Use

Select the equation type (Linear, Quadratic, or Cubic) from the dropdown menu
Enter the coefficients in the corresponding input fields
Click the 'Calculate Solutions' button
View the solutions and step-by-step explanation in the results section
Use the 'Clear Form' button to reset all inputs and start over

Frequently Asked Questions

Find Quick Answers

What types of equations can this calculator solve?

This calculator solves three types of equations: Linear equations (ax + b = 0), Quadratic equations (ax² + bx + c = 0), and Cubic equations (ax³ + bx² + cx + d = 0).

Does the calculator show complex solutions?

Yes, for quadratic and cubic equations with negative discriminants, the calculator will display complex solutions in the form a ± bi.

Can I solve equations with decimal coefficients?

Yes, you can enter decimal numbers (like 2.5 or -0.75) as coefficients. The calculator handles both integers and decimals.

What happens if I enter invalid coefficients?

The calculator validates all inputs and will show specific error messages if coefficients are invalid (e.g., 'a' cannot be 0 for quadratic/cubic equations, or if fields are left empty).

Need to run multiple calculations?

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