The expression is .
(Apply rule of same signs)
(Absolute value )
(Add: )
The value of expression is .
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=bf9dbc7e9d8b30150fd6bb7ce370c9cb.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=41c2ec0bcfb0269d0d2e4268868bb862.png\")
(Apply rule of same signs)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=99e0e9d2f3c4344c220e55079e7d6a98.png\")
(Absolute value ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5c31ef81318751e3a05c400c143d0c59.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=cbb35fb15fcbb3e48cee880d363705d7.png\")
(Add: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1d7750b26f3a2d7a529cad0f1a8b064e.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=43f26e492ea61316f841491e2e95da05.png\")
.