The expression is .
(Multiply negative one)
(Subtract:)
Therefore, the difference of is .
The difference is .
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8c57d9fafbdb838a19f2495f665cb698.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a1eb812c2b67d8de05c7a1f872999013.png\")
(Multiply negative one)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=29fb1aa6e34f61f7cba47988f6e0a9f2.png\")
(Subtract:![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d76f65b9a5b440a81a8d0bafeab17f82.png\")
)![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8c57d9fafbdb838a19f2495f665cb698.png\")
is ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=40eb0196050b54cf04340d929745f024.png\")
.![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
.