Respuesta :

wegnerkolmp2741o

Answer:

m=4

n=-2

Step-by-step explanation:

(7z^m) (nz^3) = -14z^7

7*n z^(m+3) = -14 z^7

We know the constants have to be the same

7n = -14

Divide each side by 7

7n/7 = -14/7

n = -2

And the exponents have to be the same

m+3 = 7

Subtract 3 from each side

m+3-3 = 7-3

m =4

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