The expression is .
Combine like terms using distributive property: .
(Add: )
The simplified expression is .
![\"\"](\"/userfiles/image/Library/Distributive_Property1.gif\")
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
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.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=289f89014b5a4288b96b1505240a0464.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b5f39c34000399acce2bb5cac006e2e3.png\")
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(Add: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=cdff21736c6759e825ee395863560cd9.png\")
)![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
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.