Log49 x 4 log x2 8x 16. 9log7 x 2+x-2. log2(7^-x^2. log7 x 2 -9 log7 9-2x 1. log7(9-x)=-2.

Log49 x 4 log x2 8x 16. 9log7 x 2+x-2. log2(7^-x^2. log7 x 2 -9 log7 9-2x 1. log7(9-x)=-2.
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