The expression is .
Since , and are like terms, we can combine them.
(Write the expression)
(Combine like terms)
The simplified expression is .
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=30f7e1b64940fdcc4b3e3843655b81ec.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1d6915f8a249511c69ed84a8aa56c400.png\")
, ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=68b1f1d079deda3ae30ddc88464e69ec.png\")
and ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=482cd3141a9991703ce8a93c5dc94e5d.png\")
are like terms, we can combine them.![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=30f7e1b64940fdcc4b3e3843655b81ec.png\")
(Write the expression)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=57c93af0089c07868be0689f7946d607.png\")
(Combine like terms)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b1f53c452a09c935f92b244d14e67d70.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=b1f53c452a09c935f92b244d14e67d70.png\")
.