X-5/3x-9>2/x Help........
X-5/3x-9 > 2/x х(х-5) > 2(3х-9) х²-5х > 6х-18 х²-5х-6х+18 > 0 х²-11х+18 > 0 х²-11х+18 = 0 D=121-72=49 x1=11+7/2=18/2=9 x2=11-7/2=4/2=2 (x-9)(x-2) > 0 x-9 > 0 x > 9 x-2 > 0 x > 2 __+__2__-__9__+__ значит (-∞; 2) и (9; +∞)