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31 October, 08:37

what is - 7 y to the second power + 2y to the third power minus 7y + 4y to the third power + 6 y to the second power + 4 y to the second power + 3 y

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  1. 31 October, 09:03
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    -7y^2 + 2y^3 - 7y + 4y^3 + 6y^2 + 4y^2 + 3y. Ok.

    First, combine - 7y^2 with 6y^2 and with 4y^2. =

    Second, combine 2y^3 with 4y^3. =

    Last, combine the terms - 7y and 3y. =

    Combining meaning add.

    Then, add all the sums of the like terms to get the answer. Answer is = 6y^3 + 3y^2 - 4y
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