\
\
The expression is
\
(Substitute
)
\
(Subtract
)
\
\
T
he value of the expression is 0.4
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a883225bedfbd89ad9abfdb9acc4c068.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=17bedb1c8d0ef2baba088782bac2b7c5.png\")
(Substitute ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5e61ca73bd71af8d0c4b181b50b63018.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=deabfd616f5f1419dea82a164c271dab.png\")
(Subtract ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8a6c1e87aa94af87ffb2552ae44192fa.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")