The expression is .
Apply distributive property: .
(Multiply: )
(Product of two same signs is positive)
The simplified expression is .
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=15bfd60db0301dc23c6a5e35ae034b07.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e72dd5457022b72d7b731327901ee0ab.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=20897707ab01c2dbf521926069337f01.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a30388f81b4248721628a207709448a3.png\")
(Multiply: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=378f2b6e2f735aee2325f2ffea9a053c.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=aa0326cec91e2b9ddbb7a3568d0c6d28.png\")
(Multiply: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f801c7bc51a7af9a59507bb1a86a6620.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=71a32fc142d3c3aa7c1c760229f88638.png\")
(Product of two same signs is positive)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a00f2fc2fbc44b5ce8ba76616a878d7e.png\")
.