The expression is .
Simplify the expression.
(Original expression)
(Simplify)
(Substitute: )
(Multiply)
The simplified expression is .
.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b1695c96eed5b36ed300094ef6b1cf7b.png\")
.![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b1695c96eed5b36ed300094ef6b1cf7b.png\")
(Original expression)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=29cb512bcbb9a24369153069d01ef44c.png\")
(Simplify)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b60cbe39cc24eaf5ba0e75dcdaeeb8ec.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=a2c59637d2edbfb5863b360e224f83f5.png\")
(Multiply)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f15d8375ac087fd058ddfd14a46de5f8.png\")
.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=fc49373c4ed36b9623ebd8be6f45f997.png\")
.