The expression is .
Substitute .
(Multiply: )
(Apply additive inverse property: )
The simplified expression value is 6.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2f832dc91c49261ad201828468fb5184.png\")
.![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=008964bd0f4ca412877a00bf8b2bbf41.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7fea9866855e02130c525cae529b0ad3.png\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=6940aeec9fb42231012c14d89aad91df.png\")
(Multiply: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3ba8ea6901848e3548bc1a34e87d8d97.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b2d202faac0f2658fd141425a56f8983.png\")
(Apply additive inverse property: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d06483706f3c20ed0fb0b3329c572d90.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")