The expression is .
(Apply commutative property of addition: a + b = b + a)
(Apply distributive property: )
(Add: )
(Multiply: )
The simplified expression is x + y.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=044ba383a3e8febbc55e79bf70e4fe12.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a1e259b264319cb29602cda08b4c64fd.png\")
(Apply commutative property of addition: a + b = b + a)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4b43e8d02f88f833faaed9c417e4bdc8.png\")
(Apply distributive property: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2bb75a0211c071ddf5a0c8f8ae81ab38.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=abc93483c4d764123702429ad1ec2f63.png\")
(Add: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=65c07583f9c27a668871b9f34f9a6272.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9e53b934e8d46143aa553a59acff1c28.png\")
(Multiply: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a97d3fead6d272b23844c72164230aed.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")