The equation is .
Distribute terms using distributive property: .
The solution is true, so, the equation is identity.
The solution is real numbers.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f94041e8f6b515eccde82318ac6bec72.png\")
.![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2ca759e2ab6e91a6d919095b13a54a03.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=50d4070ca9ae7d13b4614e38baf1c99b.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=6c2e6c4a8ca5851c804c0e1bed73403b.png\")
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")