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x2+18x+14=2

 20.03.2017
 #1
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pq formel

 

x2+18x+14=2

 

x2+18x+14=2     [-2

 

x2+18x+12=0

.         p          q

x=p2±(p2)2q

 

x=182±(182)212

x=9±9212

 

x=9±69

 

x1=0,693376

 

x2=17,306624

 

laugh  !

 20.03.2017

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