Quadratic Formula

Solve second-degree equations with mathematical certainty.

Equation Coefficients

ax² + bx + c = 0

Standard Form

Coefficient a

Coefficient b

Coefficient c

Solver Insight

Input your coefficients to find the values of x. This tool automatically handles real and complex numbers based on the discriminant value.

Δ > 0: Parabola crosses the axis twice (Two Real Roots).
Δ = 0: Parabola touches the axis once (One Real Root).
Δ < 0: Parabola never touches the axis (Complex Roots).

ax²Quadratic Term

bxLinear Term

cConstant

Always simplify your equation into the ax² + bx + c = 0 form before entering values. If a term is missing (like no 'x' term), its coefficient is 0.

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