Factorise fully 30a2+40ab30a^2 + 40ab30a2+40ab
Solve 3(g+9)=213(g + 9) = 213(g+9)=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.