Can this equation solver handle higher-degree polynomials?

This equation calculator focuses on linear equations, quadratic equations, and 2x2 systems. For higher-degree polynomials, try factoring them into linear and quadratic pieces where possible.

Does the quadratic equation solver show complex solutions?

Yes. When the discriminant of a quadratic is negative, the quadratic calculator expresses the two complex conjugate roots in standard a + bi form.

Is this online equation solver suitable for teaching?

The step list is designed for classrooms and self-study, walking through each formula, substitution, and simplification so students see how to solve equations, not just the final number.

ADVERT

Equation Solver

Solve linear, quadratic, 2×2, and 3×3 equation systems step by step. Get real or complex roots, determinants, and downloadable worked solutions.

Equation type

Solve a single linear equation ax + b = 0.

Quick examples:

Coefficients

Editable fields

a (coefficient of x)

b (constant term)

Equation: 1·x + 0 = 0

Solution

Solution: x = -0

Step‑by‑step working

Start with ax + b = 0.
Here a = 1, b = 0.
Subtract b from both sides: ax = −b.
Divide by a: x = −b / a.
Compute x = −(0) / 1 = -0.

How to use this tool

Choose linear, quadratic, 2×2, or 3×3 mode and optionally load a quick preset.
Enter coefficients exactly as written in your equation or system.
Copy or download the solution panel with the full step-by-step working.

Great online equation solver for homework

Use this equation solver to verify linear solutions, quadratic roots, and multi-variable system answers in seconds.
See discriminants and determinants with each intermediate step so the algebra is transparent.
Use presets for common cases like no-solution, infinite-solution, and complex-root examples.

What this equation calculator supports

Single-variable linear equations of the form ax + b = 0 solved as x = -b/a.
Quadratic equations with real or complex roots via the quadratic formula using the discriminant.
Systems of two or three linear equations in two or three variables using determinants (Cramer's rule).

FAQ

Can this equation solver handle higher-degree polynomials?: This equation calculator focuses on linear equations, quadratic equations, and 2x2 systems. For higher-degree polynomials, try factoring them into linear and quadratic pieces where possible.
Does the quadratic equation solver show complex solutions?: Yes. When the discriminant of a quadratic is negative, the quadratic calculator expresses the two complex conjugate roots in standard a + bi form.
Is this online equation solver suitable for teaching?: The step list is designed for classrooms and self-study, walking through each formula, substitution, and simplification so students see how to solve equations, not just the final number.