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=0b6cf1147acf0f7ac8bd7ffdf52460f3.png\")
(Substitute ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2668039dbdc4633e15e2ff0d6da5d388.png\")
) ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3b65804c610d9da4e1b0466a8e0b6416.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=02f7738659a69c2de936860207db894e.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=eb8e26b37f07751f5c2ca7ada4ab80cd.png\")
.