Factorise 5a2−30a5a^2 - 30a5a2−30a
Verify that b=4b=4b=4 is a solution of 4(b+2)=244(b + 2) = 244(b+2)=24
261 exam-style questions on AQA GCSE Maths Expanding and Factorising. Each one has a worked solution and a mark scheme showing where the marks go.