The expression is .
(Distribute )
(Multiply: )
(Product of two same signs is positive)
The simplified expression is .
![\"\"](\"http://www.mathskey.com/userfiles/image/Library/Distributive_Property2.gif\")
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5071d831636e92ebbddaa2470b40b672.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c2e1a92ce9acb0f72c1cf0cbc342412e.png\")
(Distribute ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=74f3d3e4c40071d7ac71e61153308410.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a6adbb94a6966e71096a41bd807c2905.png\")
(Multiply: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2a1cab6a831891d11858a51f2c5d9c9a.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=fe2a522b19349f813960df2f2a309539.png\")
(Product of two same signs is positive) ![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4d7eadcd423f406a9c431f1457382a1e.png\")
.