Solve 4x2−19x−5=04x^2 - 19x - 5 = 04x2−19x−5=0
Hence, solve 4(2x+1)2−19(2x+1)−5=04(2x+1)^2 - 19(2x+1) - 5 = 04(2x+1)2−19(2x+1)−5=0
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.