Maths · GCSE · Algebra
Solving quadratics by factorising
mh8Free4:15Heddy Score 2 of 7, below the standardPlays from youtube-nocookie.com. No YouTube cookies until you press play.
What you need to know
- Rearrange the quadratic so one side is zero.
- Factorise into two brackets.
- If a product is zero, one of the factors must be zero.
In this clip
Heddy ScoreSeven checks every clip must pass before students see it: trusted, on the map, accurate, focused, accessible, safe, and proven by students.2/7, Below the standard
- Trusted source · passed. The creator's own upload, live and playable here.
- On the map · failed. A teacher watched it: it mainly teaches this map topic.
- Spec-true · failed. Accurate, and right for the current UK specification.
- Focused · passed. One idea, short enough to watch in one go.
- Accessible · not judged yet. Good captions, clear sound and pictures.
- Safe for children · not judged yet. Right for 11 to 16 year olds, with no sales pitch.
- Proven · not judged yet. Earned from our students: they learn from it, find it helpful and watch it to the end.
Our students
How the Heddy Score worksNot enough students yet
Our own students' answers. These are what move ★7 Proven.Why we picked it
An American YouTuber attempting an old A-Level C1 paper for entertainment; light-hearted, not a teaching resource.
Evan Edinger on YouTubechecked 2026-10-16