Verify that 2x2+11x+12=(2x+3)(x+4)2x^2 + 11x + 12 = (2x+3)(x+4)2x2+11x+12=(2x+3)(x+4)
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.