The expression is .
Simplify the expression. \ \
(Distributive property: )
(Subtitution: )
Therefore, the simplified expression is .
The simplified expression is .
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. ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=fad86612d11e113ca28a611934477cd9.png\")
(Distributive property: ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0bdc68cec96eb3ed104b029b8fdc0d65.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8295710283cb0522d78adea156553790.png\")
(Subtitution: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b4fe14701d7b92b0ac2a2a4b9fba7c81.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=84226507e25ba4f1b4dd721752765b7c.png\")
.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
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.