The expression is .
Simplify the expression.
(Original expression)
(Rewrite the expression)
(Substitute: )
(Multiply)
The simplified expression is .
.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3750f9e63b18fa451646f9fb67a6ff74.png\")
.![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3750f9e63b18fa451646f9fb67a6ff74.png\")
(Original expression)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=cc0f141b35efcec6c2cb46b460d1f410.png\")
(Rewrite the expression)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d806ca3514d6fbdc234842ebd6f98ba6.png\")
(Substitute: ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d38a5ef9a3410dcfab1fe85ffd0e7410.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7d2d54d4882a947e83c74be5a329780b.png\")
(Substitute: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0e49627d1c424ce8daeccc89ef7ad8a2.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=83d5124b3edc50c236d896a6caccec55.png\")
(Multiply)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ac385d986834b5ef316b802d8e4d91f4.png\")
.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=afb46e836bf6e0ae491de36a2b220687.png\")
.