Log2 x 4 x log2 x2 5. Log25x-log5x 2. log4 2x2+x log5 2-2x 0. log5 x 3 2 log5 2x +1. log5 x2 4 log5 x-2 0.

Log2 x 4 x log2 x2 5. Log25x-log5x 2. log4 2x2+x log5 2-2x 0. log5 x 3 2 log5 2x +1. log5 x2 4 log5 x-2 0.
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