Solve quadratic equations (ax² + bx + c = 0) and find the discriminant.
x = (-b ± √(b²-4ac)) / 2a
Enter any 2 values to calculate the remaining
This calculator uses the formula x = (-b ± √(b²-4ac)) / 2a.
Enter any 2 of the 3 values and the calculator will solve for the missing variable automatically.
All calculations run in your browser — nothing is sent to a server.