captainK captainK
  • 24-10-2016
  • Mathematics
contestada

x^2+x-5=0 completing the square

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Аноним Аноним
  • 24-10-2016
I hope this helps you





x^2+x-5=0


disctirminant = 1^2-4.1. (-5)


disctirminant = 1+20=21



x1= -1+ square root of 21/2


x2= -1- square root of 21/2
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