Question

решите неравенство (х-6)(х-8)2х-7<0

Answer 1

(x-6)(x-8)/(2x-7)<0
(x-6)(x-8)/2(x-3,5) <0
                -                               +                     -                        +
_______________3,5_____________6___________8_________
x∈(-∞;3,5)∨(6;8)