The expression is .
(The product of diffrent signs is neagitive)
(Subtract: )
The value is of the expression is 3.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d1499f30822ea9329eefac7e3e03cb1d.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=be6ed3230a0781bfbe4fe9a61cd78544.png\")
(The product of diffrent signs is neagitive)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9c399b5f43a65398101b05257d773749.png\")
(Subtract: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=af103503d964c52674411565bb12326a.png\")
)![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")