Step-by-step explanation: (5x-16+xy+3y)+x-3y) =5x^2-16x^2y+3xy-15xy+48xy^2-9y^2 =5x^2-16x^2y-12xy+48xy-9y^2 Reply
Step-by-step explanation:
(5x-16+xy+3y)+x-3y)
=5x^2-16x^2y+3xy-15xy+48xy^2-9y^2
=5x^2-16x^2y-12xy+48xy-9y^2