rozwiąż równanie
9^x - 4*3^x +3 = 0
9^x-12^x+3=0
-3^x+3=0 | -3
-3^x=-3 | :-3
^x= 1
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9^x - 4*3^x +3 = 0
9^x-12^x+3=0
-3^x+3=0 | -3
-3^x=-3 | :-3
^x= 1