\
The expression is
\
Combine like terms using distributive property.
\
\
\
The simplified expression is
.
\
![\"distributive](\"http://www.mathskey.com/userfiles/image/Library/Distributive_Property4.gif\")
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=42982cbf4d262fa33249e8014257506e.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a78c821371fea524aecf035170499bc0.png\")
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=cd8fb371ef032251400c4ff7cc926ffa.png\")
.