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12-08-2020
Mathematics

contestada

-k^2-(7k-5n)+9n
k= -1
n= -2

Respuesta :

12-08-2020

Answer:

-k² - (7k - 5n) + 9n

-(-1)² - [7(-1) - 5(-2)] + 9(-2)

-1 - [-7 - (-10)] - 18

-1 - 3 - 18

= -22

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