11 tools · 8 categories of free math calculators

Quadratic Formula Solver

Solve quadratic equations using the quadratic formula. Get real and complex roots for ax² + bx + c = 0.
x = (−b ± √(b² − 4ac)) / 2a

Solution

About Quadratic Formula Solver

Solve quadratic equations using the quadratic formula. Get real and complex roots for ax² + bx + c = 0.

Enter your values above and click Calculate to get your result. The calculator provides quick and accurate answers for all your math needs.