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D( x )
2-x = 0
2*x-3 = 0
2-x = 0
2-x = 0
2-x = 0 // - 2
-x = -2 // * -1
x = 2
2*x-3 = 0
2*x-3 = 0
2*x-3 = 0 // + 3
2*x = 3 // : 2
x = 3/2
x in (-oo:3/2) U (3/2:2) U (2:+oo)
3/(2*x-3)-(1/(2-x)) = 0
3/(2*x-3)-(2-x)^-1 = 0
3/(2*x-3)-1/(2-x) = 0
(3*(2-x))/((2*x-3)*(2-x))+(-1*(2*x-3))/((2*x-3)*(2-x)) = 0
3*(2-x)-1*(2*x-3) = 0
9-5*x = 0
(9-5*x)/((2*x-3)*(2-x)) = 0
(9-5*x)/((2*x-3)*(2-x)) = 0 // * (2*x-3)*(2-x)
9-5*x = 0
9-5*x = 0 // - 9
-5*x = -9 // : -5
x = -9/(-5)
x = 9/5
x = 9/5
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