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posted by john on Wednesday, May 18, 2011 at 11:28am.

factor the following trinomail w^18-9w^9y^5+14y^10

=w^18-7w^9y^5-2w^9y^5+14y^10= (w^18-7w^9y^5)-(2w^9y^5-14y^10)= w^9(w^9-7y^5)-2y^5(w^9-7y^5)= (w^9-7y^5)(w^9-2y^5)

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