The key idea
The key idea
When the coefficient of x2x^2x2 is 1, you can often factorise by inspection. When it is not 1, as in 2x2+7x+32x^2 + 7x + 32x2+7x+3, splitting the middle term is the reliable method.
The key idea
The key idea
When the coefficient of x2x^2x2 is 1, you can often factorise by inspection. When it is not 1, as in 2x2+7x+32x^2 + 7x + 32x2+7x+3, splitting the middle term is the reliable method.
Step-by-step lessons covering OCR GCSE Maths Factorising Harder Quadratics for Foundation and Higher tier. Each lesson works through exam-style questions in the written papers 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.