Respuesta :

wegnerkolmp2741o

Answer:

3 m^2 + 4m +7

Step-by-step explanation:

3x^24 + 4x^12 + 7

Let  m =x^12

m^2 = x^12 ^2 = x^24

Substitute this into the first equation

3 m^2 + 4m +7

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