The polynomial is .
(Substitute )
Difference of squares is .
(Factors of difference of squares)
The factored form of polynomial is .
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
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. ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2c523fd8317bf83f33fb6ab740dbf28a.png\")
(Substitute ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=739effd8444ceaf41fd267cf0b9cc679.png\")
) ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3b65804c610d9da4e1b0466a8e0b6416.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=82a21ddd185f6a087b1043b7c932fb4a.png\")
(Factors of difference of squares)![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2c05ad8ad243d55b4780c2abe372c706.png\")
.