The expression is .
(Replace z with 2)
(Absolute value of 2 is 2)
(Add: )
The value of the expression is .
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b16352caa7ade498a27547726622a2b3.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=071aa3afeab046984b3bebff62045baa.png\")
(Replace z with 2)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=05b254d9b9213387990101b4c033181f.png\")
(Absolute value of 2 is 2)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f56833abdcb324673dc919ea5bd48b49.png\")
(Add: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5e0adc2ee21c9ba215b77a3942cc7c94.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c1e96bf279114e4b4303dc8ce20ff09d.png\")
.