The expression is .
Since 4x, and 2x are like terms, we can combine them.
(Write the expression)
(Combine like terms)
The simplified expression is .
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5aba5fa335f82c320a2bf514e4972d69.png\")
.![\"\"](\"plugins/fckeditor_wiris/integration/showimage.php?formula=5aba5fa335f82c320a2bf514e4972d69.png\")
(Write the expression)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b3ac9c450dd5256e4549597684d36053.png\")
(Combine like terms)![\"\"](\"plugins/fckeditor_wiris/integration/showimage.php?formula=54e90785425939a9777becc9adcab6f9.png\")
.![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
.