bishbarmak02 Log5 x -3/log5 x-2=0
log²5 x-2log5 x -3=0 y=log5 x
y²-2y-3=0
D=4+12=16
y1=(2+4)/2=3 log5 x=3 x1=125
y2=(2-4)/2=-1 log5 x =-1 x2=1/5