The expression is
= (Apply commutative property of addition: )
Combine like terms using distributive property:
=
= (Subtract: )
The simplified expression is .
![\"\"](\"/userfiles/image/Library/Distributive_Property3.gif\")
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=660b29bc42fc799d97106699115dc711.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9921261143a36399942c4cc9384f8b37.png\")
(Apply commutative property of addition: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=04ab48db2a6385513b3391bf07d33cff.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9a6275ea2fb6cb90edf0852fbc85e6c6.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=28aeec472d86fddc7d890f2db419aa45.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f7d29ae0e42a0a538d2127465ff8751a.png\")
(Subtract: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c10b2f6d5fc5e2ca382b084938fec285.png\")
)![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f7d29ae0e42a0a538d2127465ff8751a.png\")
.