\
The expression is
.
\
\
Factor the numerator and denominator.
\
\
\
\
\
The simplified expression
is
.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
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.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=34c8aacb9db21c59da7708c9fd18ca7a.png\")
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![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
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.