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2 January, 10:17

N^2 + 5n - 1 evaluate the expression when n = - 6

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Answers (2)
  1. 2 January, 10:20
    0
    5

    Step-by-step explanation:

    1) N is equal to - 6 and you are challenge to find the value in the expression n²+5n - 1.

    so we have:-

    n = - 6

    the expression is n²+5n-1

    2) next we substitute the value of n = - 6 in the expression n²+5n-1. this means wherever we see 'n' in the expression, we replace it with ' - 6 ' so instead of writing n we will write the value - 6. thus we have:-

    (-6) ² + 5 (-6) - 1

    36 + (-30) - 1

    36-30-1

    5
  2. 2 January, 10:32
    0
    5

    Step-by-step explanation:

    substitute n=-6 into the expression

    therefore, (-6) ^2+5 (-6) - 1=36-30-1

    =5
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