Learn how to use the Quadratic Formula to solve quadratics

This is part 4 of a 4-part series of videos on solving quadratic equations. In this video, we solve quadratic equations by using the quadratic formula. We learn how to substitute into the formula then solve for our 2 answers.
Here are links to the other videos in the series:
Solve quadratic - Factorisation • Learn how to solve Qua...
Solve quadratic - Graphs • How to solve Quadratic...
Solve quadratic - Completing the square • How to solve Quadratic...

[@Palmgreens7866]

Thank you 4 helping me in maths

[@rostymaths]

Totally welcomed.