Solve quadratic equations with the quadratic formula
Solve quadratic equations using the quadratic formula. For example, solve -9x+10x²+8=14.
Solving quadratics using the quadratic formula
If you're seeing this message, it means we're having trouble loading external resources for Khan Academy.
If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.