Logx2 1 x 2 x2. Logx(2x-1). Logx2 x x2-2x 1. Logx-1(x+1). Logx(x3-x2-2x)<3. Logx(2x^2-3x+2)=2. Logx (2x^2+x-2)=3. Logx2+1 (x − 3)2 · logx2+1 (x − 3)2 (x 2 + 1)3 ⩽ −2. Log2 4. Log2 2 x-log2 x-2=0. Log2x=log4x2. Log5 4+x 2. Logx (x2-2x-3)< logx1. Logx/2 x2