please ans my question fast
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Answer:
273 hope it help you ☺️☺️☺️☺️
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Answer:
3^x+3^(x-2)+3^(x+2)=273
=> 3^x+3^x/3^2+3^x.3^2=273
=> 3^x(1+1/9+9)=273
=> 3^x(10+1/9)=273
=> 3^x(91/9)=273
=> 3^x=273×9/91
=> 3^x=3×9
=> 3^x=27=3^3
=> x=3
so, x=3
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