\
The expression is
.
\
(The product of two same signs is positive)
\
(Multiply:
)
\
(Multiply:
)
\
The product is
.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=163fce5749243d772af47def2b1bbea8.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=15506908fbfaa174e7e688192bf78d3a.png\")
(The product of two same signs is positive)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=72cd1ddab2943d522d703fe5f66c7812.png\")
(Multiply: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1ba458ff8c72f64dd4ea91512c1d07b3.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=dd0ec45b968272929b4aaf67bb488a9d.png\")
(Multiply: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ae14c7e2593090f3f2d971936cf906f2.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=75d77850f56722bb330598ddbe94b429.png\")
.