Quadratic Equation Solver

Math Calculators

Solve quadratic equations using the quadratic formula.

a (x² coefficient)

b (x coefficient)

c (constant)

Root 1 (x₁)

Root 2 (x₂)

About This Tool

Solve equations of the form ax² + bx + c = 0. Get both real and complex roots, plus the discriminant calculation.

Yes, if the discriminant is negative, the tool will display roots in the form a + bi.

It is x = (-b ± √(b² - 4ac)) / 2a.

If a is zero, the equation becomes linear (bx + c = 0) rather than quadratic.

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