Respuesta :
It kind of depends on what you are planning to do with the following expression. However, if you are looking to simplify the expression, the solution is:
[tex]6x^2y-3xy^2+x^2y^2-9[/tex]
Hope this helps! If not, feel free to comment below and I will see what else I can do to help. If it did help, lmk! Thanks and good luck!