Mentioned specifically in the Edexcel Advance Information for the 2022 GCSE exams is something called the Difference of Two Squares. So I decided to write a blog about it.I’ve already touched on factorising quadratics in these two blogs – Factorising Quadratics (Foundation) and Factorising Quadratics (Higher). In those two blogs,… Continue reading The Difference of Two Squares

# Tag: algebra

## A guide to solving linear equations

In this blog, I will show you a method for solving linear equations.Solving equations is the most useful aspect of algebra you will learn at school. Take the example below… Solve 3x + 1 = 13 The x is just a number that we don’t know yet. Solving an equation… Continue reading A guide to solving linear equations

## The Magic Number 10 – A mathematical trick

Here's another maths magic trick that you can use to impress your friends. This trick works for ANY number that you choose. Follow these instructions and you will always end up with 10. Pick a number.Multiply it by 3.Then add 30.Then multiply by 2.Then divide by 6.Subtract your original number.… Continue reading The Magic Number 10 – A mathematical trick