Log49 x 4 log x2 8x 16. Log12(x2-4x-1)=-2. log12(x^2-4)>log12(x+2)-1. log12 (2x + 1) > - 2. log 2x+4(x^2-x)>1(log2x+4.

Log49 x 4 log x2 8x 16. Log12(x2-4x-1)=-2. log12(x^2-4)>log12(x+2)-1. log12 (2x + 1) > - 2. log 2x+4(x^2-x)>1(log2x+4.
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