\
The expression is
(Apply Distributive property: )
(Product of two same sign is positive)
The simplified expression is
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=25fb6f9b5abc3deb10e29a4a7d8505d1.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=bc563cf39bbd12de2649646a64bc6436.png\")
) ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=796db63f0b0bdc3230a95082178ffb81.png\")
(Product of two same sign is positive)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=6ebf89b873d8b7f5d7b39601b7fed3a2.png\")