# Online calculator. Quadratic equation solver.

This online calculator will help you to solve quadratic equation.

Using this online calculator, you will receive a detailed step-by-step solution to your problem, which will help you understand the algorithm how to solve quadratic equation.

## Quadratic equation solver

x

^{2}+ x + = 0You can input only integer numbers, decimals or fractions in this online calculator (-2.4, 5/7, ...). More in-depth information read at these rules.

Try online calculators. Solving of equations.Solving of quadratic equations.Solving of biquadratic equations.Solving systems of linear equations by substitution.Gaussian elimination calculatorLinear equations calculator: Cramer's ruleLinear equations calculator: Inverse matrix methodShow all online calculators

Try to solve the exercises from the theme equations.Exercises. Quadratic equations.Exercises. Exponential equations.Exercises. The system of linear equations with 2 variables.Exercises. The system of linear equations with 3 variables.Exercises. The system of linear equations with 4 variables.Show all online exercises

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