rezamiguel11 rezamiguel11
  • 22-06-2016
  • Mathematics
contestada

All of the following are equivalent, except _____.
A) (12 + 3)x
B) (12 + 3x)x
C) 15x
D) 12x + 3x

Respuesta :

Seanellem Seanellem
  • 22-06-2016
The correct answer would be b) (12 + 3x)x
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bananasinpjs
bananasinpjs bananasinpjs
  • 22-06-2016
All are equivalent except for b - because 12 * x = 12x but 3x * x becomes 3x^2. 
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