Answer:
5w -6
Step-by-step explanation:
(W2 – 4w - 1)+(-5 + 5w2 – 3w)
combine like terms in the 2 groups
(-2w-1)+(-5+5w(2) -3w)
(-2w-1)+(-5+10w-3w)
(-2w-1)+(-5+7w)
now add/subtract all
5w -6
Answer:

Step-by-step explanation:

Answer:
6804 liters
Step-by-step explanation:
36×189=6804