\
The given expression is
\
(
)
\
(Cancel square and square root)
\
\
\
The
square root
is
4.
\
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=72106c4dc3ea25f27c3fa004a9589e0b.png\")
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b233e9eaacd9c0659463c65ab05191ae.png\")
(![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=566dcf32bd2af028f480690e5ab23e36.png\")
)![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=cce5a181b1b9db7fd70c2fad3db41724.png\")
(Cancel square and square root)![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=962cee740d5fd9db1dfcb4ec34098e6a.png\")
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")