Quadratic Formula Calculator

Real-root mode: a≠0 and discriminant must be nonnegative.

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Result

Enter your values and run the tool to see your result.

Check the units, enter your values, and run the tool. Results follow the assumptions and method below.

Discriminantb^2-4*a*c

Real root 1(-b+sqrt(b^2-4*a*c))/(2*a)

Real root 2(-b-sqrt(b^2-4*a*c))/(2*a)