Show that x2+12x+5=(x+6)2−31x^2 + 12x + 5 = (x + 6)^2 - 31x2+12x+5=(x+6)2−31
Hence, or otherwise, write down the coordinates of the turning point of the graph of y=x2+12x+5y = x^2 + 12x + 5y=x2+12x+5
250 exam-style questions on OCR GCSE Maths Completing the Square. Each one has a worked solution and a mark scheme showing where the marks go.