Question

решите( x+2)*(x+3)>o

Answer 1

(x+2)(x+3)>0

x+2>0,
x+3>0;

x+2 <0,
x+3 <0;

x>-2,
x>-3;

x<-2,
x<-3;

x €(-2; +&)
x €(-&;-3)
x €(-&;-3) (-2;+&)