Learn about and revise quadratic equations by factorising, completing the square and using the quadratic formula with GCSE Bitesize OCR Maths.

Solving these equations isn't necessarily a walk in the park, but with a touch of algebra knowledge, it's achievable. Begin with the latter equation and replace X with its equivalent from the first.

The equation, since being shared, has collected over 7,500 ‘likes’ and more than 1,500 retweets. Interestingly, the comments section of the post is flooded with probable answers. While some ...

Solving equations with light. (Courtesy: iStockphoto/Henrik Jonsson) 3x + y = 2. x + 3y = 0. It’s the sort of easy maths problem that you can work out in a few minutes using pencil and paper, but ...