when 3 or more numbers are added (or multiplied), the sum (or product) is the same regardless of the grouping of addend (or multi)
Step-by-step explanation:
The associative property means that if you rearange the parentheses in a exspression the resualt will not change.
18a-12b+6c
Step-by-step explanation:
We have got 6 common in this factor 6(3a-2b+c)
So,in order to expand it we just need to multiply 6 with the everything in the bracket..
6×3a=18a
6×2b=12b
6×c=6c
If we arrange the factor after multiplying,then it stands like this 18a-12b+6c...
(Ans)