Respuesta :
Answer:
4x 9y
Step-by-step explanation:
3x 4y 5y x
combine your exponets
3x 4y 5y x
4x 4y 5y
combine again
4x 4y 5y
4x 9y
Answer:
4x 9y
Step-by-step explanation:
3x 4y 5y x
combine your exponets
3x 4y 5y x
4x 4y 5y
combine again
4x 4y 5y
4x 9y