235k views
1 vote
The expression 9+21 factored using GCF is?

User Lamba
by
8.5k points

2 Answers

5 votes

GCF is 3 because 3 times 3 is 9 and 3 times 7 is 21.

User Joshu
by
8.9k points
3 votes
Rewrite and factor 9 and 21;

3•3+3•7= 3(3+7)

GCF for 9 and 21 is 3
User Justinpc
by
8.6k points