Answer:
-3w^2-7w-6
Step-by-step explanation:
((2*(w^2)) -4w)-8) - (5w^2+3w)-2)
((2w^2- 4w)-8) - (5w^2 +3w-2)
-3w^2-7w-6 = -1 * (3w^2+7w+6)
= -3w^2-7w-6
