1) В левой части: log (a) (b) - log (a) (c)= log (a) (b/c)=>
1/2 log(2)(4,5-3x) =1/2 log(2) (4,5/3x)
1/2 (log (2) (4,5 -3x / 1,5/x)=
1/2 log (2) (3(1,5-x) * x/1,5)= 0
log (2) (3x-2x^2)= 0
ОДЗ:
-2x^2+3x>0
2^0= 3x-2x^2
-2x^2+3x-1= 0
D= 9-8=1;
x(1,2)= -3±1/(-4)= 1; 1/2.