The expression is .
Apply distributive property: .
(Distribute -4)
(product of two equal signs is positive)
\ \ The value of expression is
.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4694ee286fdb0d47faa9974aee316f58.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=d4ea451ef906941ac6aee91ff604ed27.png\")
(Distribute -4)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=213a0be6175d711728388995e40fd7d6.png\")
(product of two equal signs is positive) ![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
\ \
The value of expression is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f871344bbaf12acf6b770881fc2f0fc3.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\")
.