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31 July, 03:01

Evaluate the expression when n=-2.

n²-8n+7

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Answers (1)
  1. 31 July, 06:37
    0
    27

    Step-by-step explanation:

    Substitute n = - 2 into the expression

    n² - 8n + 7

    = ( - 2) ² - 8 ( - 2) + 7 = 4 + 16 + 7 = 27
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