AllCalculators

Quadratic Equation Solver

Enter the coefficients of ax² + bx + c = 0 to find its roots.

Solve for x in ax² + bx + c = 0

Roots

x₁ = 2.0000, x₂ = 1.0000

Discriminant

1.0000

Axis of symmetry

x = 1.5000

Vertex

(1.50, -0.25)

How it's calculated

Roots are found with the quadratic formula: x = (−b ± √(b² − 4ac)) ÷ 2a. When the discriminant (b² − 4ac) is negative, the roots are complex.