Question 1167821
This should give exact solutions, since in factored form as given.  Critical values to set intervals are -4, 1, and 3.

<pre>
(-infin,-4)      (-4,1)        (1,3)          (3, infin)
(-)(-)(-)       (+)(-)(-)     (+)(-)(+)       (+)(+)(+)
 NEG             POS            NEG           POS
</pre>



{{{system(x<-4,or,1<x<3)}}}