The expression is .
The two integers have the same sign.
Product of two same signs is positive.
( Multiply : )
The product of is 340.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b17fdb8b9e5b67c59c91d352dabedb7d.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=546cd08441c940cc810bbd80892aa4c3.png\")
( Multiply : ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2035d8ec7fd691ca75b17cac07813704.png\")
)![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b17fdb8b9e5b67c59c91d352dabedb7d.png\")
is 340.