Skip to main content
Home
Resources
Formula Library
Quadratic Formula
Algebra
Quadratic Formula
Definition
Finds roots of ax^2+bx+c=0
Formula
x = (-b +/- sqrt(b^2 - 4ac)) / 2a
Worked Example
For x^2-5x+6=0: x=2 or x=3
Related Calculators
Calculator
Use online tool