Quadratic Equation Solver - ax² + bx + c = 0 (Real & Complex Roots)

Free quadratic equation solver. Enter the coefficients a, b, and c of ax² + bx + c = 0 to see the roots (real or complex), the discriminant, and the vertex coordinates of the parabola. Handles all three discriminant cases: two real roots, one repeated root, or two complex conjugate roots. Runs entirely in your browser. Quadratic Equation Solver - ax² + bx + c = 0 (Real & Complex Roots) on 712 Tools runs entirely inside your browser using modern JavaScript APIs - no server ever sees your data. That means instant results, complete privacy, and no upload limits.

Whether you need to solve any quadratic ax² + bx + c = 0 - real or complex roots, discriminant, and vertex for a debugging session, a quick sanity check, or a production incident, this tool is free to use as many times as you need. There are no watermarks, no sign-up, and no ads inside the tool itself.