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23 March, 10:52

Simplify the sum. (7u^3 + 8u^2 + 7) + (8u^3 - 3u + 7)

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Answers (2)
  1. 23 March, 12:09
    0
    15u^3 + 8u^2 - 6u + 13

    Step-by-step explanation:

    (7u^3 + 8u^2 + 8) + (8u^3 - 6u + 5)

    = 7u^3 + 8u^2 + 8 + 8u^3 - 6u + 5

    = 7u^3 + 8u^3 + 8u^2 - 6u + 5 + 8

    *Now add the like terms

    = 15u^3 + 8u^2 - 6u + 13

    And that is all your can do!
  2. 23 March, 13:59
    0
    15u^3 + 8u^2 - 3u + 14
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