The function is .
(Substitute )
(Apply distributive property: a(b + c) = ab + ac)
(Multiply: )
(Subtract: )
The value of the function is .
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=76f6a846d299df6a60fa0689d01386d3.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5015270cf134d5456b8b7edee2bb8331.png\")
(Substitute ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a02514722e1a85e65969283b925b4f6d.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=190d51f29a63d70c87da692df4eddea0.png\")
(Apply distributive property: a(b + c) = ab + ac)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=46c27f2a7422ff99aeb2d2d4b1def8f0.png\")
(Multiply: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=76870897eebb7be113144d14d3da828a.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3600d3865348346a911705bc8ca658df.png\")
(Subtract: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4643d365e094893b96e8df46ae065f00.png\")
)![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c2bb506d0f0b8c8f8365defc96ad5f60.png\")
.