![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
The equation is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=64f7b543940a9fc79a0364cc8258748b.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=afcad96befaf1c220eff603769edee36.png\")
(Substitute d=-4)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=962ec7a310ce306ebec848eef8cdbaa8.png\")
(Add: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c813bfee90c7446c7376457d3f17f2fe.png\")
)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8b24a82a2059bc56299fba324c86d93f.png\")
(Absolute value of ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f5aa5438f3d585a99d295a100f612db6.png\")
)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5f49c36ba8bd714e0ecbe405ffd51965.png\")
\ \
Compare the values, the equation is false.
\![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
The given number is not a solution to the equation.
\\
\