Solve the simultaneous equations
x2+y2=41 x^2 + y^2 = 41 x2+y2=41 y=2x−3 y = 2x - 3 y=2x−3Hence find the value of x+yx+yx+y for the solution for which x x\,x is negative.
223 exam-style questions on Edexcel GCSE Maths Quadratic Simultaneous Equations. Each one has a worked solution and a mark scheme showing where the marks go.