Working with multi-variable expressions is a key concept in algebra that involves manipulating expressions containing two or more variables. This video offers a detailed guide on understanding and ...

Let's look at two different methods for expanding double brackets. Question 1 asks you to expand the brackets 2𝑥 add 8 multiplied by 𝑥 subtract 3. Let's use the grid method for this one. In a grid ...

National 5 Simplifying expressions using the laws of indices Test questions Indices show where a number has been multiplied by itself, eg squared or cubed, or to show roots of numbers, eg square root.