|2x-5|/[(x-4)(x+4)]≥0
1)x<2,5<br>(5-2x)/[(x-4)(x+4)≥0
x=2,5 x=4 x=-4
+ _ + _
-------------(-4)-------------[2,5]----------(4)---------------------
x<-4 U 2,5≤x<4<br>x∈(-∞;-4)
2)x≥2,5
(2x-5)/[(x-4)(x+4)≥0
_ + _ +
-------------(-4)-------------[2,5]----------(4)---------------------
-44
x=2,5 U x∈(4;∞)
Ответ x∈(-∞;-4) U (4;∞) U {2,5}