Expand and simplify (a−5)(a+6)(a - 5)(a + 6)(a−5)(a+6)
Factorise b2−81b^2 - 81b2−81
Practise Edexcel IGCSE Maths Expanding and Factorising Quadratics with exam-style questions for IGCSE Maths. 21 questions, matched to the Edexcel IGCSE Maths (4MA1) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.