The expression is .
Apply distributive property: .
(Distribute 10)
(product of two opposite signs is negative)
\ \ The value of expression is
.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=68e1edc5efdac15d54d2ec5678a8a4b4.png\")
.![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4a0105ed6fd4b7d1ceb08c3088ac7f50.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b10704cbe5affdaa98e18cfb3e73d5e2.png\")
(Distribute 10)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=32d88d506f634e8d09d6f594a1c5f707.png\")
(product of two opposite signs is negative) ![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
\ \
The value of expression is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=69127a9e7df71dd99108a3785f4a60af.png\")
![\"\"](\"http://c4anything.com/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c421cbab5dbdf82c00822444c3a0777b.png\")
![\"\"](\"http://c4anything.com/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=408cb7d5f9d53b01c93fdd4ecf570a3d.png\")
.