Expand and simplify (x+7)(x−7)(x + 7)(x - 7)(x+7)(x−7)
Factorise x2−9x+20x^2 - 9x + 20x2−9x+20
84 exam-style questions on AQA GCSE Maths Expanding and Factorising Quadratics. Each one has a worked solution and a mark scheme showing where the marks go.