Expand and simplify (a−5)(a+6)(a - 5)(a + 6)(a−5)(a+6), giving your answer in the form a2+pa+qa^2+pa+qa2+pa+q
Factorise b2−81b^2 - 81b2−81
255 exam-style questions on Eduqas GCSE Maths Expanding and Factorising Quadratics. Each one has a worked solution and a mark scheme showing where the marks go.