Помогите срочно 5^x+1-3*5^x-2=122. Created by lizagrugorieva163412. algebra-ru

Помогите срочно 5^x+1-3*5^x-2=122...

lizagrugorieva163412 @lizagrugorieva163412

July 2022 1 73 Report

Помогите срочно 5^x+1-3*5^x-2=122

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$5^{x+1}-3*5^{x-2}=122\\\\5^{x-2}(5^{3}-3)=122\\\\5^{x-2}(125-3)=122\\\\5^{x-2}*122=122\\\\5^{x-2}=1\\\\5^{x-2}=5^{o}\\\\x-2=0\\\\x=2\\\\Otvet:\boxed{2}$

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