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balu736 [363]
3 years ago
7

9 + 21 factor the expression using gcf

Mathematics
2 answers:
riadik2000 [5.3K]3 years ago
8 0
Both number are divisible by 3, so divide each by 3

3(3+7)
Law Incorporation [45]3 years ago
7 0
Factors of 9:

1, 9, 3

factors of 21:

1, 21, 3, 7

3 is greatest Common factor.

Divide both numbers by three and put three outside the bracket


3(3+7)

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