The expression is .
Simplify the expression.
(Original expression)
(Simplify)
.
The simplified expression is .
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5ec15ef2fda050ac8c39f4c69ab2dbb0.png\")
.![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5ec15ef2fda050ac8c39f4c69ab2dbb0.png\")
(Original expression)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=fa21e169c2457293eccb0cd528bd753d.png\")
(Simplify) ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=66263567210c25337fb9fd722a56e0e1.png\")
.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4c4fb1dea346a36b1e7db4e32e83bb87.png\")
.