what is the gcf of 3x+18?

I need to know the answer of this problem. Finding the gcf of 3x+18 and factoring it out.
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1 Answer

If you mean "what is the GCF of 3x + 18?," 3x + 18 is only one thing, so the GCF is just 3x + 18.

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If you mean "what is the GCF of 3x and 18?" then:

3x = 3 * x

18 = 2 * 3 * 3

The GCF is made of the factors that appear in both 3x and 18.  In this case that's just 3, so the GCF is 3.

Answer:  The GCF of 3x and 18 is 3.
by Level 13 User (103k points)

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