The expression is .
Apply distributive property: a(b + c) = ab + ac.
(Distribute 2)
The simplified expression is .
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.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7ae7a334aecd7981a57f5eedcc722ea1.png\")
(Distribute 2)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b7d986256291c341b69ea986df49a08e.png\")
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
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.