Expand and simplify (x+9)(x−9)(x + 9)(x - 9)(x+9)(x−9)
Factorise x2−11x+28x^2 - 11x + 28x2−11x+28
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.