The expression is .
(Substitute )
(Multiply: )
= 120 (Product of two same signs is positive)
The value of expression is 120.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ebc6ae09ca4bab564d79cad3d88a9343.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e088fffa681e096579c90a00b25a81a6.png\")
(Substitute ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e87ce5cd2b2478d5f9695cf455fd88b7.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ad47548cb0b35e57c0f13f4cd0ee3e27.png\")
(Multiply: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=45823ef4134668cf3c0e6f126e07ae0a.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")