SOLUTION: How do I find the GCF of these numbers: 11x^8,11x,-66 I think the answer is 11 but I am not sure how to check this

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Question 519662: How do I find the GCF of these numbers:
11x^8,11x,-66
I think the answer is 11 but I am not sure how to check this

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
It is 11.
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Check by factoring each expression:
11x^8 = 11*x*x*x*x*x*x*x*x
11x = 11*x
-66 = 11*-6
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Only the 11 is common to all 3.