ah i see it now..
i would get
x^3 x y^2 = 3 x 3 x 2 x 2 x 2 x 2
which makes x = 3 and y = 4.
i understand, however just to clarify, the TI-89 would not be able to solve problems like these that ask for x times y or things like that? I just wanted to know because it would be great...