Factorise x2+7x−18x^2 + 7x - 18x2+7x−18
Hence solve x2+7x−18=0x^2 + 7x - 18 = 0x2+7x−18=0
203 exam-style questions on OCR GCSE Maths Solving Quadratics. Each one has a worked solution and a mark scheme showing where the marks go.