Let u and v be real numbers such that
u^3 - 3uv^2 &= 259,
3u^2 v - v^3 &= -286.
There are MANY solutions to your question, most of them "complex". There are also some real solutions, one of which is: u = 7 and v = - 2
u^2 + v^2 = 53
tysm, I understand how to do this problem now after reading the solution!!!