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12 November, 14:21

Find the value of the expression m4 - m3 - 2m2 + 10m + 15 when m = - 3.

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Answers (2)
  1. 12 November, 16:57
    0
    In this case sense its m = - 3 then your answer is - 6
  2. 12 November, 18:00
    0
    Since we already know the value of m, this one is easy to solve. All we have to do is substitute in a - 3 for every m in the equation.

    m4-m3-2m2+10m+15

    (-3) 4 - (-3) 3-2 (-3) 2+10 (-3) + 15

    -6

    When m = - 3, this expression equals - 6.
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