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December 21, 2014

December 21, 2014

Posted by **Blake** on Wednesday, May 5, 2010 at 10:58pm.

8/x-4

- algebra -
**drwls**, Thursday, May 6, 2010 at 7:30amIf x-4 is the denominator, you should have used parentheses around it. In that case, the expression is undefined for x=4.

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