Question

помогите решить 5^x-2>1/125

Answer 1

$5^{x-2}\ \textgreater \ \frac{1}{125} \\ 5^{x-2} \ \textgreater \ 5^{-3} \\ x-2\ \textgreater \ -3 \\ x\ \textgreater \ -1 \\ x\in(-1;+\infty)$