Expand and simplify (x+7)(x−7)(x + 7)(x - 7)(x+7)(x−7)
Factorise x2−9x+20x^2 - 9x + 20x2−9x+20
Practise OCR GCSE Maths Expanding and Factorising Quadratics 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.