Real number x and y satisfy
x+(xy^2)=250y, x- (xy^2)= -240y.
Enter all possible values of x, separated by commas.
x+xy2=250y
x−xy2=−240y
2xy2=490y
xy=245
x+60025=250y
x−60025=−240y
120050=490y
y=245
x = 1, 1225
