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