Factorise x2+2xy+y2x^2 + 2xy + y^2x2+2xy+y2
Hence solve x2+2xy+y2=0x^2 + 2xy + y^2 = 0x2+2xy+y2=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.