Expand and simplify (a−5)(a+6)(a - 5)(a + 6)(a−5)(a+6)
Factorise b2−81b^2 - 81b2−81
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.