Main content

# Kuthibitisha kanuni ya quadratic - Quadratic Formula (proof)

Deriving the quadratic formula by completing the square.

If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains ***.kastatic.org** and ***.kasandbox.org** are unblocked.

Main content

Deriving the quadratic formula by completing the square.