Expand and simplify (x+9)(x−9)(x + 9)(x - 9)(x+9)(x−9)
Factorise x2−11x+28x^2 - 11x + 28x2−11x+28
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.