The expression is
= (Substitute property: )
= (Distributive property: )
The simplified expression is .
![\"\"](\"/userfiles/image/Library/Distributive_Property3.gif\")
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=de22a82bf2f6dcd6410c5ed58a5304c1.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d978afc1c1ceea702da00f5542601465.png\")
(Substitute property: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=067c60b1a960badc8e41948f9ebd42a0.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0f89dcce3c978de8d92d479b3a56b36f.png\")
(Distributive property: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9a6275ea2fb6cb90edf0852fbc85e6c6.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0f89dcce3c978de8d92d479b3a56b36f.png\")
.