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x>2 ; x>4 dan x<8
log (x-2)(x-4) > log log(8-x)(x-2)(x-4) > (8-x)
x^2 - 6x + 8 > 8 -x
X^2 -5x >0
x(x -5) >0
x1=0 dan x2=5
jadi daerah penyelesaian 5<x<8