Question 883657
x*xy*xy^2*xy^3=4096
x^4*y^6=4096

x+xy+xy^2+xy^3=85

x=1,   y=4
x=64,   y=0.25

x=-0.634835,   y=-5.41526
x=100.814,   y=-0.184663
There are also complex solutions