Respuesta :
2a²b²+9ab+3a²b²-6ab<--- problem
2a²b²+3a²b² and 9ab-6ab = 5a²b²+3ab<----- combine like terms
ab(5ab+3)<---- find common factors and simplify.
2a²b²+3a²b² and 9ab-6ab = 5a²b²+3ab<----- combine like terms
ab(5ab+3)<---- find common factors and simplify.