Respuesta :

Answer:

28x+8y+2

Step-by-step explanation:

-2×3x=-6x

-2×12y=-24y (+×-)=(-)

-2×-5=10(-×-)=(+)

-2×-17x=34x

-2×-16y=32y

-2×4=-8

collect like terms

-6x-24y+10+34x+32y-8

28x+8y+2