0.5X^2-x>0
1/2 x^2 - x >0
x^2 - 2x >0
x*(x-2)=0
1.{x>0
2.{x-2>0
///////////
1.{x<0
2.{x-2<0
x∈ (2 ,+∞)
x∈(-∞,0)
otvet: x∈ (2 ,+∞) U x∈(-∞,0)
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0.5X^2-x>0
1/2 x^2 - x >0
x^2 - 2x >0
x*(x-2)=0
1.{x>0
2.{x-2>0
///////////
1.{x<0
2.{x-2<0
x∈ (2 ,+∞)
x∈(-∞,0)
otvet: x∈ (2 ,+∞) U x∈(-∞,0)