The expression is
(Substitute in original expression)
(Subtract: )
The value of the expression is 0.4
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3efac1cb6c11d8eff00264e9f145aea7.png\")
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4bcf9c4ed93b451453aba325002a0e7e.png\")
(Substitute ![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=093ea3f9b988c18c4d599d07797451c7.png\")
in original expression)![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=6542b4f152117feeb9b1f9ff9d831735.png\")
(Subtract: ![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b048d7b46f50f844c534e2ff74665bb6.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")