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9x²-2(3x)(1)+1² = (18x-1)/2
9x² -6x+1²/(x-1) = (18x-1)/2
(9x²-6x+1²)(2)=(18x-1)(x-1)
18x²-12x+2 = 18x²-19x+1
-12x+19x=1-2
7x=-1
x=-1/7