Question

2^(2x-4)=9 help me please!!!!!!!!!

Answer 1

$2^{2x-4}=9, \ log_{2}{2^{2x-4}}=log_{2}{9}, \ (2x-4)log_{2}{2}=log_{2}{9}, \ 2x-4=log_{2}{9}, \ 2x = 4+log_{2}{9}, \ x =2+ frac{1}{2}log_{2}{9}, \ x =2+log_{2}{9^{ frac{1}{2}}}, \ x =2+log_{2}{3}.$

Answer 2

Спайсибо