The inequality is .
Rewrite the inequality as .
Factor the inequality.
can never be less than zero, hence .
The solution set is .
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.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ec35fc24abf8040c3e93d3cdc324e2c0.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=964cdf00274f384fe1d4f0e3dfe791be.png\")
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can never be less than zero, hence ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2c0c1356e0c67eed52bb625537b95345.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=659ad8519937ad88ee41aba0dfd58bb8.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b856c379018bb03b4aaeecc5a7f6165b.png\")
.![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b856c379018bb03b4aaeecc5a7f6165b.png\")
.