The expression is .
(Apply distributive property: )
(Distribute 9)
(Multiply: )
The simplified expression is .
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0a543e1d39e95e3c838899a109b7cc47.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=cd0beca22e5f207e7fbb56933606f5c8.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=41a5159be03cd72ac3d7fb31c6a294f2.png\")
(Distribute 9)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9f741f0317e438b1698fe523238e0483.png\")
(Multiply: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1552d22ef21daeec0480f0fbe5b7cd49.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1c71a5b7d6e5545b60a74077997ebfcf.png\")
.