x²>-½x
x²+1/2x>0
x(x+1/2)>0
x=0 v x+1/2=0 x=-1/2
badamy znaki
+ + + + + +
____________ -1/2_____________0______________________>x
- - -
x∈(-∞:-1/2)u(0;+∞)
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x²+1/2x>0
x(x+1/2)>0
x=0 v x+1/2=0 x=-1/2
badamy znaki
+ + + + + +
____________ -1/2_____________0______________________>x
- - -
x∈(-∞:-1/2)u(0;+∞)