ndayishimiyeflo ndayishimiyeflo
  • 01-09-2017
  • Mathematics
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solve the equation x^2-7=14-2x^2

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PZC
PZC PZC
  • 01-09-2017
x^2+2x^2=14+7
3x^2=21
x^2=7
x=±√7
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