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svet-max [94.6K]
3 years ago
9

MATH HELP!!!!!!!!!!!!!!!!

Mathematics
1 answer:
Oksanka [162]3 years ago
3 0

Answer:

<em>2a</em>

Step-by-step explanation:

Look at the numbers first: 12, 28, 42

12 = 2 * 2 * 3

28 = 2 * 2 * 7

42 = 2 * 3 * 7

The only factor all numbers have in common is 2.

GCF of numbers = 2

Now look at the variables: a^2b^6, a^4, ab^3

a^2b^6 = aabbbbbb

a^4 = aaaa

ab^3 = abbb

The only variable all expressions have in common is a.

GCF of variables = a

GCF of the three monomials is: 2a



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