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19 September, 20:08

Evaluate-2w^2 + 5 for w=4

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Answers (2)
  1. 19 September, 20:16
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    -27 should be your answer. Here is my work ...
  2. 19 September, 21:39
    0
    -27

    Step-by-step explanation:

    Substituting 4 for w in the expression - 2w² + 5 yields:

    -2 (4) ² + 5

    = - 2 (16) + 5

    = - 32 + 5

    = - 27
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