Verify that 2x2−98=2(x+7)(x−7)2x^2 - 98 = 2(x+7)(x-7)2x2−98=2(x+7)(x−7)
223 exam-style questions on OCR GCSE Maths Factorising Harder Quadratics. Each one has a worked solution and a mark scheme showing where the marks go.