The expression is
(Distribute )
(Product of two different signs is negative)
(Multiply: )
(Product of two same signs is positive)
The simplified expression is .
![\"\"](\"/userfiles/image/Library/Distributive_Property3.gif\")
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f91deeb2deb0a3ca04e8bd835ad0de7e.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=748416d773c11a507b455192686a7855.png\")
(Distribute ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ef04c0de6dc2b67e84ab3159c34388bf.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8cc7f0e95e46447f19bf2c3f77d5aab3.png\")
(Product of two different signs is negative)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=255bfe20db0e180c8ddf9323d803d46c.png\")
(Multiply: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a5e86b5eff093ba7cdbaa0821e9d3bee.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e2d40e5bee402fe42235423a57ee0922.png\")
(Product of two same signs is positive)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ad5a08944b3ee860f1937dd132cc6986.png\")
.