The expression is .
(The factors have same signs. The product is positive)
(Multiply: )
The product is .
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=32604c1d15eeb8e3d77ced76c6e0d8f8.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=11378e5180432d5044d7daafb92fee99.png\")
(The factors have same signs. The product is positive) ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=dd0ec45b968272929b4aaf67bb488a9d.png\")
(Multiply: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a325864647b130c75bba685e48a0a4d8.png\")
) ![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=75d77850f56722bb330598ddbe94b429.png\")
.