The big idea
The big idea
A triple bracket expression has three factors, such as (x+1)(x+2)(x+3)(x+1)(x+2)(x+3)(x+1)(x+2)(x+3). The safest method is to turn it into a double-bracket question first.
The big idea
The big idea
A triple bracket expression has three factors, such as (x+1)(x+2)(x+3)(x+1)(x+2)(x+3)(x+1)(x+2)(x+3). The safest method is to turn it into a double-bracket question first.
Step-by-step lessons covering Edexcel GCSE Maths Expanding Triple Brackets for Foundation and Higher tier. Each lesson works through exam-style questions in Paper 1, Paper 2 and Paper 3 format. Build fluency with number, ratio and algebra first, since geometry, probability and statistics topics rely on them, and leave extra time nearer the exam for Higher-tier problem-solving and multi-step reasoning questions.