Solve algebraically the simultaneous equations
3x2−y2=11 3x^2 - y^2 = 11 3x2−y2=11 x−y=−1 x - y = -1 x−y=−1117 exam-style questions on AQA GCSE Maths Quadratic Simultaneous Equations. Each one has a worked solution and a mark scheme showing where the marks go.