Expand and simplify (a−5)(a+6)(a - 5)(a + 6)(a−5)(a+6)
[2]
b.
Factorise b2−81b^2 - 81b2−81
[1]
Markscheme
Expanding and Factorising Quadratics Questions
21 exam-style questions on CIE IGCSE Maths Expanding and Factorising Quadratics. Each one has a worked solution and a mark scheme showing where the marks go.