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D( x )
x-3 = 0
x-3 = 0
x-3 = 0
x-3 = 0 // + 3
x = 3
x in (-oo:3) U (3:+oo)
(2*x-1)/(x-3) > 5 // - 5
(2*x-1)/(x-3)-5 > 0
(2*x-1)/(x-3)+(-5*(x-3))/(x-3) > 0
2*x-5*(x-3)-1 > 0
14-3*x > 0
(14-3*x)/(x-3) > 0
(14-3*x)/(x-3) > 0 // * (x-3)^2
(14-3*x)*(x-3) > 0
( 14-3*x )
14-3*x > 0 // - 14
-3*x > -14 // : -3
x < -14/(-3)
x < 14/3
( x-3 )
x-3 > 0 // + 3
x > 3
(-oo:3) (3:14/3) (14/3:+oo) 14-3*x + + - x-3 - + +
x in (3:14/3)
(3:14/3)
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