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What is the GCF of 21x^3+14x^2+35x
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What is the GCF of 21x^3+14x^2+35x

User Arnaud Le Blanc
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I like prime factorization for finding the GCF:

21x^3=3^.7^.x^.x^.x

14x^2=2^.7^.x^.x

35x=5^.7^.x

What common things can you pull from each term...It must be the same amount from each?
7x
User Nedlud
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