👉 Learn the basics of simplifying radicals. A radical is an expression having the root/radical symbol. A radical expression ...

👉 Learn how to multiply radical expressions. A radical is an expression having the root/radical symbol. The number outside ...

Two of the terms involve \(x\) and two involve \(y\). Now we can combine the \(x\) terms and combine the \(y\) terms to get \(3x + 2y\).

Indices show where a number has been multiplied by itself, eg squared or cubed, or to show roots of numbers, eg square root. Check your understanding of the process with this National 5 Maths quiz.