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What are expanding and factorising?

What are expanding and factorising?

Area model showing a rectangle split into four parts for expanding (x + 4)(x + 3), with cells labelled x squared, 4x, 3x, and 12, then simplified to x squared plus 7x plus 12.

A quadratic expression has highest power 2, such as x2+6x+8x^2 + 6x + 8x2+6x+8. Expanding means removing brackets by multiplying, and factorising means writing the quadratic back as a product of brackets.

Expanding and Factorising Quadratics Lesson

  1. IGCSE
  2. /Maths
  3. /Expanding and Factorising Quadratics

Step-by-step lessons covering Oxford AQA IGCSE Maths Expanding and Factorising Quadratics for Core and Extended tier. Each lesson works through exam-style questions in Paper 1 and Paper 2 (Core: 1C and 2C; Extension: 1E and 2E) format. Since content from any part of the specification can appear on either paper, keep number and algebra fluency sharp throughout the course rather than leaving it until near the exam.

Lessons