GCSE Maths - Solving Quadratics Using the Quadratic Formula #51

This video covers how factorise quadratics using the quadratic formula

Here are all our videos covering quadratics from start to finish:

This video is suitable for maths courses around the world.
KS3 - Not on your course
GCSE Foundation - All on your course
GCSE Higher - All on your course

Maths Playlist:

GCSE Chemistry playlist:

GCSE Biology Playlist:

GCSE Physics Playlist:

[Cognitoedu]

If you’d like to practise the material covered in this video, check out our platform at www.cognitoedu.org - it's totally free, and has been built to make learning and revision as easy as possible. The main features are:
- Lessons organised by topic, only the lessons relevant to your specific exam board and tier are shown.
- Automatic progress tracking. Progress bars tell you what you’re doing well at, and what you need to spend some time on.
- Practise quizzes so you can test your knowledge. You can quiz yourself on any combination of topics you like.
- A huge number of fully-hinted questions that take you step-by-step through some of the trickiest calculations & concepts.
- A comprehensive bank of past exam papers, organised both by year, and also by topic.

Amadeus & Tom

[chaltuchanasa]

Yep it's official guys I will pass my IGCSE thank God I found this early rn in year 10... you are helping so many people like... I don't even feel worthy to have so many well-explained resources in my hand as I do now.

[alialmeerahmed]

You are amazing Cognito. I watched nearly all your science videos and I found them extremely useful. Please keep making amazing maths content, I'm sure the maths videos with help me with improving my maths.

[NoobContent]

I don't know if I would be able to survive without this channel. Very Helpful

[Syed_Abdullah]

I spent hours upon end scrambling to understand and this video was a life saver

[mariellefarrugia]

Hi, I’m doing my o levels and I just want to tell you how grateful I am for these videos. Thankss

[cocobeehive]

if only i found this channel earlier😢 my test is literally about to start in 15mins😢😢 ty for helping many others tho ur channel is truly really helpful

[User-kiws]

I'd like it if you made a video on graphs and stuff like y=Mx+c

[hamzasherasmat]

Remember if you are watching this for gcse the number inside the square root is never a minus sign at GCSE

[abbas]

You are a life saver for IGCSE exams!!especially for last minute studying!

[adrikasaha]

Thank you guys mucchhhh for helping me pass my exams, srsly tho- idk how many times to say thanks to you guys....:)

[Ilovepets]

U explain more my math's teacher 😮😮

[gardenofeden_music]

THANK YOU THANK YOU!!! I literally don't know how to thank you properly. It actually feels wrong to have such amazing resources for free, on youtube. I kept telling myself there must be a catch, this is too good to be true but no, this is too good, but true. you are lifesavers thank youuuu

[mortsartstudio]

There was a part that said "25-(-32)". How did it turn into a plus? And if I have "25 - (8)" would it stay a minus or turn into a plus?

[halasalim]

thank you its really helpful even in sat!

[manhaa]

5:08 idk how i got 6.27 for the positive one and2.398 for the negative one! pls help!

[AH-ncyc]

What should we do if we are having √-39 how should we solve it?

[DGLYT]

What would I do if be was a fraction. For the question I'm trying to do b should be 3/(X-2)

[gardenofeden_music]

what do i do when it's like 3x2+7x=13. do i just change it to 3x2+7x-13=0? thanks :)))

[SimpleDevotion.]

So basically






Quadrat the quadrant