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factor the following expression 15 u v w^8+30 u^5 w^9 and factor 36 x^2-y^2 and 7u+7v+v w +wu

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    15uvw^8 + 30u^5w^9

    First you find the GCF.

    Can you do that with the hints I gave you in the previous question?
    15uw is what I think. do you agree?

    Once you have the GCF. You divide both parts by it
    (15uw)(vw^7 + 2u^4w^8)

    Can you do the other two? I will be happy to check your work.

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