document.write( "Question 310702: Solve. (x+14)(x-1)(x+2)>0
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Algebra.Com's Answer #222196 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
Break up the number line into 4 regions,
\n" ); document.write( "Region \"1\": (\"-infinity\",\"-14\")
\n" ); document.write( "Region \"2\": (\"-14\",\"-2\")
\n" ); document.write( "Region \"3\": (\"-2\",\"1\")
\n" ); document.write( "Region \"4\": (\"1\",\"infinity\")
\n" ); document.write( "Pick a point in each region (not the endpoints) and test the inequality.
\n" ); document.write( "If the inequality is true, that region is part of the solution set.
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\n" ); document.write( "Region \"1\", let \"x=-20\"
\n" ); document.write( " \"+%28x%2B14%29%28x-1%29%28x%2B2%29%3E0\"
\n" ); document.write( " \"+%28-20%2B14%29%28-20-1%29%28-20%2B2%29%3E0\"
\n" ); document.write( " \"%28-6%29%28-21%29%28-18%29%3E0\"
\n" ); document.write( "\"-2268%3E0\"
\n" ); document.write( "False
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\n" ); document.write( "Region \"2\", let \"x=-10\"
\n" ); document.write( " \"+%28x%2B14%29%28x-1%29%28x%2B2%29%3E0\"
\n" ); document.write( " \"%28-10%2B14%29%28-10-1%29%28-10%2B2%29%3E0\"
\n" ); document.write( " \"%284%29%28-11%29%28-8%29%3E0\"
\n" ); document.write( "\"352%3E0\"
\n" ); document.write( "True
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\n" ); document.write( "Region \"3\", let \"x=0\"
\n" ); document.write( " \"+%28x%2B14%29%28x-1%29%28x%2B2%29%3E0\"
\n" ); document.write( " \"%2814%29%28-1%29%282%29%3E0\"
\n" ); document.write( "\"+-28%3E0\"
\n" ); document.write( "False
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\n" ); document.write( "Region \"4\", let \"x=2\"
\n" ); document.write( " \"+%28x%2B14%29%28x-1%29%28x%2B2%29%3E0\"
\n" ); document.write( " \"%282%2B14%29%282-1%29%282%2B2%29%3E0\"
\n" ); document.write( " \"%2816%29%281%29%284%29%3E0\"
\n" ); document.write( "\"64%3E0+\"
\n" ); document.write( "True
\n" ); document.write( "So then the solution includes Regions 2 and 4.
\n" ); document.write( "(\"-14\",\"-2\")U(\"1\",\"infinity\")
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