document.write( "Question 1167821: solve each polynomial inequality. Approximately to three decimal places if necessary?\r
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Algebra.Com's Answer #792405 by josgarithmetic(39617) $\"\"$ $\"About$

You can put this solution on YOUR website!
This should give exact solutions, since in factored form as given. Critical values to set intervals are -4, 1, and 3.\r
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document.write( "(-infin,-4)      (-4,1)        (1,3)          (3, infin)\r\n" );
document.write( "(-)(-)(-)       (+)(-)(-)     (+)(-)(+)       (+)(+)(+)\r\n" );
document.write( " NEG             POS            NEG           POS\r\n" );
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