allysonvictori6 allysonvictori6
  • 17-06-2021
  • Mathematics
contestada

can someone explain and answer this for me??

can someone explain and answer this for me class=

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diannalejandra19 diannalejandra19
  • 17-06-2021
The mistake is in line 2, the parenthesis means multiplication therefore it has to be 3x
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