/x-2-2(x-1)/(x-1)×(x-2)/ ÷x/x²-6x+9-1/.
/x-2-2x+2/ (x-1)×(x-2)/ ÷x/x²-6x+8/
-x/(x-1)×(x-2)/ ÷x/x²-6x=8/.
-x/(x-1)×(x-2)/ ×/x²-6x+8/x
-x/(x-1)×(x-2)/ ×/x²-2x-4x+8/x
-x/(x-1)×(x-2)/ ×/x×(x-2)-4(x-2)
-x/(x-1)×(x-2)/ ×/(x-4)×(x-2)/x
-1/x-1/ ×(x-4)
-/x-4/ x-1/
