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12-01-2018
Mathematics

contestada

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

Respuesta :

mpanderla95 mpanderla95

12-01-2018

-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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