Factorise fully 4x2y+12xy24x^2y + 12xy^24x2y+12xy2
Solve 3(k−4)=213(k - 4) = 213(k−4)=21
Practise OCR GCSE Maths Expanding and Factorising with exam-style questions for Foundation and Higher tier. 84 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers 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.