Mathematic Problems
log4x+2×logx2=1
log22x+2×1log2x=1
12log2x+2×1log2x=1
log2x+212=log2x
x+212=x /2
x+2=x2
-x2+x+2=0
x1,2=-1±1+8-2
x1,2=-1±3-2
x1=2 x2=-1
x1=2 x2=-1