The expression is .
(Factor the denominator of the rational expression)
The function is undefined for .
is a vertical asymptote, represents a hole in the graph.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
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.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2beb39a1f4c9c9e1fab8e4164c05fc20.png\")
(Factor the denominator of the rational expression)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=92eb67fc5ef1100c7c1b2571a6b41495.png\")
. ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2e35cb40d25ffead888b0ce297190273.png\")
is a vertical asymptote, ![\"\"](\"plugins/fckeditor_wiris/integration/showimage.php?formula=2e35cb40d25ffead888b0ce297190273.png\")
represents a hole in the graph.![\"graph](\"/userfiles/image/Library/Algebra%202/graph%20with%20vertical_and_horizontal_asymptotes_f(x)=(x-1)by(x%5E2%20+%204x%20-%205).gif\")
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
is a vertical asymptote, represents a hole in the graph.