|x^2-5x|-6>0
|x^2-5x|>6⇒
[x²-5x<-6 (1)<br>[x²-5x>6 (2)
1)x²-5x+6<0<br>D=25-24=1>1
x1+x2=5 U x1*x2=6
x1=2 x2=3
+ _ +
-----------------(2)---------------------(3)------------------
22)x²-5x-6>0
D=25+24=49>0
x1+x2=5 U x1*x2=-6
x1=-1 x2=6
+ _ +
--------------(-1)------------------(6)--------------
x<-1 U x>6
Ответ x∈(-∞;-1) U (2;3) U (6;∞)