The expression is
(Replace b with 1.5)
(Multiply: )
The absolute value of -9 is 9 (Absolute value: )
The value of the expressions is 9.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1d924f3d00158723d30f32655096543f.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=91cfacdc3e252cb3c55bb01250f993b4.png\")
(Replace b with 1.5)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0225358f19c763422803db71c4f00a20.png\")
(Multiply: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=904378a6c610a61cc7030f082a380008.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b4e1bcd2fe82b0021742dcc37b21dbfe.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")