Question

Помощь нужна, 25балов

Answer 1

2)$(2^{2})^{x}-10*2^{x} * 2^{-1}-24=0 \ \ (2^{x} )^{2}-10*2^{x} * frac{1}{2}-24=0 \ \ (2x)^{2}- frac{10}{2}*2^{x}-24=0 \ \ t^{2}- frac{10}{2}t-24=0 \ \ t=8 \ \ 2^{x}=8 \ \ x=3$
3)$3^{2x}*3^{5}=3^{x}*3^{2}+2 \ \ (3^{x})^{2}*243=3^{x}*9+2 \ \ t^{2}*243=t*9+2 \ \ 3^{x}= frac{1}{9} \ \ x=-2$