Answer:
11c−9d−3
Explanation:
9c−8d+2c−6−d+3
=9c+−8d+2c+−6+−d+3
=(9c+2c)+(−8d+−d)+(−6+3)
=11c+−9d+−3
Answer--
=11c−9d−3
6.0m questions
7.8m answers