Solve x2+16x+28=0x^2 + 16x + 28 = 0x2+16x+28=0
Hence solve 4x2+32x+28=04x^2 + 32x + 28 = 04x2+32x+28=0
203 exam-style questions on Eduqas GCSE Maths Solving Quadratics. Each one has a worked solution and a mark scheme showing where the marks go.