Question 892359
Find the critical points of the equation where it equals zero.
{{{x=-1}}}, {{{x=2}}},{{{x=3}}}
Now choose points (not the critical points) in each region broken up by the critical points and test the inequality.
{{{x<-1}}}
{{{-1<x<2}}}
{{{2<x<3}}}
{{{x>3}}}
If the inequality is satisfied at any of these chosen points, the entire region is part of the solution. 
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Not sure what accuracy has to do with an inequality??