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:
![6x^2y-3xy^2+x^2y^2-9](https://img.qammunity.org/2023/formulas/mathematics/college/jlzy5fax3abb6yofqvghkudnqo9tae4dcb.png)
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!