1.)Rozwiąż podane równania kwadratowe a) (2x+1)2+(x-3)2 < 0 b)3x-(1-x2) > (x-2)(x+2) c)2-x3 < (2x-x)3
4x+2+2x-6< 0 6x-4 <0
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4x+2+2x-6< 0
6x-4 <0