Deriving the Quadratic Formula

This video is a derivation/proof of the quadratic formula by using completing the square. This video is ideal for students once they have been taught completing the square. Ideal for GCSE Higher and A-level students.

[sumathisumathy]

I never listened any maths cls video in u tube fully bt this video is really amazing and easy to understand.., simple explanation, thank u sir

[Han_nahh]

This is the BEST explanation I have come across!!!! thank you so much, you're an amazing teacher ;))

[GhostLightPhilosophy]

Never seen such a simple explanation, thank you!

[leonylias]

Best derivation on YouTube, thank you sir

[gofish]

I've been worrying about this for days. Much appreciated! This helped a lot.

[thatkid]

Omg I’ve always looked at pictures at proofs and am like wtf is this, but this video makes sense!!!

[haybhee]

Thank you very much sir ...
I'm very happy to have this detailed explanation of how quadratic formula is derive
Thank you 💞

[pammitakumari]

So beautifully and easily explained..thanks a lot..

[malishrishitha]

Very good teaching sir. I understood this very clearly

[crystalwrites]

Thanks due to this i can solve my problems