Log 5(5-5x) = 3 log 5 2
Log₅(5-5x)=3log₅2 5-5x>0, -5x>-5, x<1<br>log₅(5-5x)=log2³ log₅(5-5x)=log₅8 5-5x=8 5x=-3 x=-0,6