![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=fe5289f4d33d7e2e00f726a8b330ccbb.png\")
\
The equation is
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=70baa8a1ebd70d061059014e5518a068.png\")
(Substitute 2 for z)
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=6c0a4b1a267f243ed606898a2c495e1c.png\")
(Multiply:![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=004b5dd9fc5bdb29bf1b7d30ec6a3bd4.png\")
)
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5538117bcb54b12d4b3b04ab5615bb0a.png\")
(Subtract: ![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=af103503d964c52674411565bb12326a.png\")
)
The equation is true. The given number is a solution of the equation.
\![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=857b3dc594cccf04915accac0f846272.png\")
----------------------
\The given number is a solution of the equation.
\