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18 November, 12:50

What is - 2m+4n to the second power for m=-6 and n=-5

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  1. 18 November, 15:36
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    -2m + 4n

    (-2m + 4n) ^2

    (-2 (-6) + 4 (-5)) ^2

    12 - 20 = - 8^ 2 = 64.

    I believe the correct solution would be 64.
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