![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
The equation is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f0e506a4c8d288dfdbcb31f505c0bcff.png\")
and ordered pair is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2803eb583aea52ccc4dd81be59c1de23.png\")
.
To check the ordered pair is ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2803eb583aea52ccc4dd81be59c1de23.png\")
is a solution, Substitute the values of ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=aaf89755d42f43233fccb45c919b56df.png\")
in the original equation.
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a7962f6888c06bac7dc5c168fc35dfe2.png\")
.
The product of two same signs is negative.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=68fd0f812ea1c346f937d7a3ac329bf6.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=09e50780d136da1e5a25ca079605a04a.png\")
.
This statement is not true, so the ordered pair is not a solution of ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f0e506a4c8d288dfdbcb31f505c0bcff.png\")
.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The ordered pair is not a solution of .