2Potega(x+2)>42 potega (x+2)>2 potega 2x+2>2<=> x>0 odp : x nalezy do zbioru (0;\infty)
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2Potega(x+2)>4
2 potega (x+2)>2 potega 2
x+2>2<=> x>0
odp : x nalezy do zbioru (0;\infty)