Răspunsuri

2014-05-03T17:23:17+03:00
Inlocuim pe x cu 1/2 :
6* 1/4+(m-1)*1/2-m=0
2/3+(m-1)/2-m=0
4+(m-1)-6m=0
4+m-1-6m=0
5-5m=0
5m=5
m=1

Cel mai inteligent răspuns!
2014-05-03T19:07:10+03:00
6x²+(m-1)x-m=0    x=1/2  6*(1/2)²+(m-1)*1/2-m=0   3/2+1/2m-1/2-m=0
-1/2m=-1⇒  m=2, sper ca m se cerea sa se afle

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