# Past Papers’ Solutions | Edexcel | AS & A level | Mathematics | Core Mathematics 1 (C1-6663/01) | Year 2007 | June | Q#6

Hits: 35 Question a. By eliminating y from the equations y= x–4, 2×2– xy = 8, show that x2+ 4x – 8 = 0. b. Hence, or otherwise, solve the simultaneous equations y= x–4, 2×2– xy = 8, giving your answers in the form , where a and b are integers. Solution a. We are […]