Respuesta :
Answer:
9(2x-1)
Step-by-step explanation:
common factor of both 9 and 18 is 9
thus, you can take a 9 out
9(2x-1)
(to check if it is correct, you can expand it, and if it is the same as original then it is correct )
Answer:
9 (2x-1)
Step-by-step explanation:
Grouping
1. Common factor:
18x-9
Solution:
9 (2x-1)