Quadratic Formula Calculator

Solve ax² + bx + c = 0 with the quadratic formula.

  • Free to use
  • Takes about 30 seconds
  • Moderate

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About this calculator

x = (−b ± √(b² − 4ac)) / (2a). Discriminant Δ = b² − 4ac.

Formula: x = (−b ± √(b² − 4ac)) / (2a)

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About this calculator