Solve x2+11x−42=0x^2 + 11x - 42 = 0x2+11x−42=0
Hence, solve (2x−3)2+11(2x−3)−42=0(2x-3)^2 + 11(2x-3) - 42 = 0(2x−3)2+11(2x−3)−42=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.