Question

помогите пожалуйста

Answer 1

(4-5х)(2-3х)(2-х)<0
(5x-4)(3x-2)(x-2)>0
5(x-45)3(x-23)(x-2)>0
(x-45)(x-23)(x-2)>0
(x-45)(x-23)(x-2) = 0
x = 45
x = 23
x = 2

23\\\\\45_______2\\\\

(23;45) (2;+∞)