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Express the monomial as a product of its factors.

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Express 5 as a product of  1 · 5.

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5xy21 · 5 · x · y2

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Express y2 as a product of y · y

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5xy2 =  1 · 5 · x · y · y\"\"

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The factor of 5xy2 is 1 · 5 · x · y · y.