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Quadratic Equation Calculator

Solve quadratic equations ax² + bx + c = 0.

Quadratic Equation Calculator

Find the roots of a quadratic equation.

Formula

x = (-b ± √(b²-4ac)) / 2a

Step-by-step

  1. Discriminant = b² - 4ac
  2. x = (-b ± √D) / 2a

Example

x² - 3x + 2 = 0 → x = 1, 2.

FAQ

What if the discriminant is negative?+

The roots are complex.

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