\
The statement is “
”.
\
(Product of same signs is positive)
\
The product is 18
x.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4d8379890a8dc5ab1325b8348975cd23.png\")
”.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7c0eb15154e57131e4071155237e4cd5.png\")
(Product of same signs is positive)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")