Log2 x2 5x 4 log2 x. 2 log5 625. log2(x-5)+log2(x+2)=3. log2 x 5 log2 x+2. log2(x^2-5)=5.

Log2 x2 5x 4 log2 x. 2 log5 625. log2(x-5)+log2(x+2)=3. log2 x 5 log2 x+2. log2(x^2-5)=5.
6 / 66