The expression is .
(Substitute )
(The quotient of two same signs is positive)
(Divide: )
The solution is .
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0207e80d69866e722a06ece41b46f964.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=287b707a15cad7c81367c1fdf18e6cf2.png\")
(Substitute ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=6a2020bd6ade3ce5c9705ef70fd4c9de.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=6d5448657b3788d7ce6b38283ff53714.png\")
(The quotient of two same signs is positive)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=03ce0b293cd48d666e114afcd001692d.png\")
(Divide: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f9245cd34dcc9ff7c4e54c85ae4d39b5.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b0f3d624a2871c7525ad71ceec47f4f9.png\")
.