The expression is .
(Apply zero product property: )
(Again apply zero product property: )
The solution is .
![\"\"](\"../../../userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=27c0c783e028ffda1d359af152280eb1.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0a1cff4c7d1821e2fa27755a015f36c2.png\")
(Apply zero product property: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=64cd779a385c7f9e515d14448400375d.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=751cb611f5610aed45134c09c6510313.png\")
(Again apply zero product property: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=216a1d9d74c1af8324e40abedbb15310.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=27826b958946345374624f5bab2ff9ca.png\")
(Again apply zero product property: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f079791b05efe463127113f2c2308439.png\")
)![\"\"](\"../../../userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=96aadd7c56a6283b9f09bb08612f8530.png\")
.