Quadratic Formula Calculator

What do you want to calculate?

Example: 2x^2-5x-3=0

Example (Click to try)

2 x 2 5 x 3 = 0

About the quadratic formula

Solve an equation of the form a x 2 + b x + c = 0 by using the quadratic formula:
x =
b ± b 2 4 a c
2 a

Step-By-Step Guide

Learn all about the quadratic formula with this step-by-step guide: