document.write( "Question 388321: For what values of the variable x is the rational expression undefined: 8/(x + 2)
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Algebra.Com's Answer #274621 by jim_thompson5910(35256) $\"\"$ $\"About$

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The expression is undefined when the denominator $\"x%2B2\"$ is zero. So if $\"x%2B2=0\"$ or $\"x=-2\"$ , then the expression is undefined.\r
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