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  • 16-04-2020
  • Mathematics
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Respuesta :

151979
151979 151979
  • 16-04-2020

Answer:

10x^2+8,14x^2+2

Step-by-step explanation:

2x+4*5x+2,  2x*5x=10x^2,    4*2=8 Answer=10x^2+8

7x+2*2x+1,   7x*2x=14x^2,    2*1=2 Answer=14x^2+2

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