At Westonci.ca, we connect you with the answers you need, thanks to our active and informed community. Get immediate and reliable solutions to your questions from a knowledgeable community of professionals on our platform. Get immediate and reliable solutions to your questions from a community of experienced professionals on our platform.

consider the following expression and simplified expression.
O +6x² and -6y²
O+6x² and -10y²
O +9x² and -10y²
O +9x² and -6y²

help please ​