Question

Решить неравенство. Неравенство на вложении.

Answer 1

$2^{x+3}-3*2^{x+1}+2^x\ \textless \ 12\\2^x*2^3-3*2^x*2+2^x\ \textless \ 12\\2^x=t,t\ \textgreater \ 0\\8t-6t+t\ \textless \ 12\\3t\ \textless \ 12\\t\ \textless \ 4\\2^x\ \textless \ 4\\2^x\ \textless \ 2^2\\x\ \textless \ 2$