📐 Quadratic Formula Calculator
Solve quadratic equations ax²+bx+c=0, including equations with complex (imaginary) roots.…
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Quadratic Formula Calculator — Guide & Formulas
The quadratic formula: x = (−b ± √(b²−4ac)) / 2a. The discriminant (b²−4ac) determines the nature of solutions: positive = two distinct real roots; zero = one repeated real root; negative = two complex conjugate roots. Complex roots mean the parabola doesn't intersect the x-axis.
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