729*9^x=1,8*125*5^x; 729*9^x=225*5^x; (5/9)^x=729/225;
(5/9)^x= 81*9/(25*9); (5/9)^x= 81/25; (5/9)^x= (25/9)^-2;x=-2.
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х=1.5
729*9^x=1,8*125*5^x; 729*9^x=225*5^x; (5/9)^x=729/225;
(5/9)^x= 81*9/(25*9); (5/9)^x= 81/25; (5/9)^x= (25/9)^-2;x=-2.