cheyenne5577 cheyenne5577
  • 24-10-2019
  • Mathematics
contestada

X squared +20 equals 2X

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mohammedhosny48
mohammedhosny48 mohammedhosny48
  • 24-10-2019

x={1+i√19 , 1-i√19}

solve this by using quadratic formula

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