Question

Add the following expression : -9y square + 15x square + 7xy and 13x square + 3x square - 4xy.​

Answer 1

Answer:

-9y square +31x square +3xy

Step-by-step explanation:

-9y square+15x square +7xy +13x square + 3x sqare -4xy

-9y square+15x square +13x square+3x sqare +7xy -4xy {Here we separate like terms}

-9y square +31x square +3xy { Answer}

Hope this Helps