Respuesta :

wegnerkolmp2741o

Answer:

36

Step-by-step explanation:

m^2 -2mn + n^2

Let m = -2 and n=4

(-2)^2 -2(-2)(4) + 4^2

4 +16 +16

36

devishri1977

Answer:

Step-by-step explanation:

m =  -2   ; n =4

m² - 2mn + n² = (-2)² - 2*(-2)*4 + 4²

                       = 4 + 16 + 16

                       = 36

Hint: (-2)² = -2 * -2 = 4

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