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Quadratic Equation Calculator
Solve ax² + bx + c = 0 and see the discriminant and real or complex roots.
Results
Enter your values and select Calculate to see the result.
Formula and assumptions
D = b² - 4ac. Roots = (-b ± √D) / (2a). Negative D gives complex conjugate roots.
The coefficient a must be nonzero. Calculations use floating-point arithmetic; displayed steps are approximate.
Frequently Asked Questions
D = b² - 4ac. Roots = (-b ± √D) / (2a). Negative D gives complex conjugate roots.
The coefficient a must be nonzero. Calculations use floating-point arithmetic; displayed steps are approximate.
Calculations run in your browser. Calculator values are not included in calculation analytics events.
