The expression is . (Apply Commutative property: a + b= b + a)
(Apply Distributive property: )
(Subtract: )
The simplified expression is.
![\"\"](\"/userfiles/image/Library/Commutative_Property_of_addition.gif\")
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0ad034fb0679756c12de68c4e34fbaa2.png\")
. ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=6c2cefd649efce9d7eb70ad470e48eec.png\")
(Apply Commutative property: a + b= b + a)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=11edacd398f3e9c2a4e08fb81d84c86a.png\")
(Apply Distributive property: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=80313c6a78aa64a92245ba366f747b1a.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2abc468d63c2a805b4d080f589829354.png\")
(Subtract: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c3fc6c306483c670163a60189b15ff2b.png\")
)![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1016ad93a5519b2fa2c4b4f3ae243814.png\")
.