The function is .
Substitute the value of in the original function and solve for x. \ \
Subtract 2 from each side.
Multiply each side by 8.
.
The zero of function is .
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=16fb43889aaf8f288879613ad6fb88ac.png\")
.![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=79e9ce80858b0bb8a37f6fef74e79f14.png\")
in the original function ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=16fb43889aaf8f288879613ad6fb88ac.png\")
and solve for x. \ \
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0e3316abc71b3a4ec38777a1b4621c92.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=11579790777de5a58a6f12160d726680.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d70af7377a00114f2550460e4dc4c3cc.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e2ee0d5e00fd87663bfaf9715dba3265.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=65aea47bff39962fe40145fc5e7b35a4.png\")
.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0fe9d8d44c59659b0700bb04a46f49ea.png\")
.