Factorise 9x2−3x−209x^2 - 3x - 209x2−3x−20.
Hence solve 9x2−3x−20=09x^2 - 3x - 20 = 09x2−3x−20=0.
223 exam-style questions on Eduqas GCSE Maths Factorising Harder Quadratics. Each one has a worked solution and a mark scheme showing where the marks go.