The expression is .
(Distributive property: )
(Multiply: )
(Subtract: )
The simplified expression is 6a + 14.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=47de175e202e986935d8a105029fa92a.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d36c9e8df9e695c8c5ac848077863b5c.png\")
(Distributive property: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e72dd5457022b72d7b731327901ee0ab.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=fe011d7f77e75895531f8ec9ebf99e3a.png\")
(Multiply: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ef71c7b4b595198b4b73b817f8d15b20.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=af92337c7caabce30d58d670ffa8d38a.png\")
(Subtract: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=bfd99211b65286cb039923c5ab754774.png\")
) ![\"\"](\"/userfiles/image/steps_images/solution.JPG\")