解-log2^[9^(x-1)-5]=-log2^[3^(x-1)]-2
问题描述：
解-log2^[9^(x-1)-5]=-log2^[3^(x-1)]-2
答
-log2^[9^(x-1)-5]=-log2^[3^(x-1)]-2-log2^[9^(x-1)-5]=-log2^[3^(x-1)]-log2^4-log2^[9^(x-1)-5]=-(log2^[3^(x-1)]+log2^4)-log2^[9^(x-1)-5]=-log2^[3^(x-1)]*4log2^[9^(x-1)-5]=log2^[3^(x-1)]*4[9^(x-1)-5]=[3^...