Expand 5ab(a+3b)5ab(a + 3b)5ab(a+3b) fully
Verify that c=15c = 15c=15 is a solution of 6(c−8)=426(c - 8) = 426(c−8)=42
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.