Log2x(x^2+x-2)=1 ........................

ОДЗ {x>0 {x≠1/2 {x²+x-2>0⇒x<-2 U x>1 x1+x2=-1 U x1*x2=-2⇒x1=-2 U x2=1 x>1 x∈(1;∞) x²+x-2=2x x²-x-2=0 x1+x2=1 U x1*x2=-2 x1=-1∉ОДЗ х2=2