\
The expression is
.
\
Apply distributive property:
.
\
\
Multiply the monomials.
\
\
\
\
\
The solution is
.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
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.![\"\"](\"plugins/fckeditor_wiris/integration/showimage.php?formula=0786259df7ef56b2e80bb4b0ccf0c68f.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0359b009af0239104fe361630a240c8d.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=890eb881648fd7913923d07ebed2571e.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d6c2d84e7005ea8e6ced75dd00f558e4.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=336a94fe2f2f8167600e1a061d6bf92a.png\")
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ecf116cc6785967688d6e4954f211661.png\")
.