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6 December, 01:20

Product of (n+7) exponent 2

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Answers (1)
  1. 6 December, 01:55
    0
    n^2 + 14n + 49

    Step-by-step explanation:

    (n+7) ^2

    (n+7) (n+7)

    FOIL

    first = n*n

    outer = n*7

    inner = 7*n

    last 7*7 = 49

    Add them together

    n^2 + 7n+7n+49

    Combine like terms

    n^2 + 14n + 49
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