0,\; \; t^2-t-12<0,\\\\t_1=4,\; \; \; t_2=-3\\\\+++(-3)---(4)+++" alt="4^{x}-2^{x}<12\\\\(2^{x})^2-2^{x}-12<0\\\\t=2^{x}>0,\; \; t^2-t-12<0,\\\\t_1=4,\; \; \; t_2=-3\\\\+++(-3)---(4)+++" align="absmiddle" class="latex-formula">
0}} \right. " alt=" \left \{ {{-30}} \right. " align="absmiddle" class="latex-formula">
0
х=-3, -2,-1,0,1 - целые решения на [-3,3]