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Mike Fechner · Answer 1 · 2017-07-28T02:04:22+0000

First you distribute the 2y^2 into (y + 7). 2y^2 x y= 2y^3 and 2y^2 x 7= 14y^2. The extra (y + 7) can't be added or multiplied by anything because you can't add y with different exponents. Answer is 2y^3 + 14y^2 + y + 7.

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