captainK captainK

24-10-2016
Mathematics

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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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