Solve x2+4x−8=0x^2 + 4x - 8 = 0x2+4x−8=0
Give your answers in the form a±bca \pm b\sqrt{c}a±bc.
Hence solve (x−3)2+4(x−3)−8=0(x - 3)^2 + 4(x - 3) - 8 = 0(x−3)2+4(x−3)−8=0
156 exam-style questions on OCR GCSE Maths Quadratic Formula. Each one has a worked solution and a mark scheme showing where the marks go.