document.write( "Question 196034: Hello,
\n" ); document.write( "Please help me I need to express the following rational expression in lowest terms\r
\n" ); document.write( "\n" ); document.write( "x^2-x-12
\n" ); document.write( "--------
\n" ); document.write( "x^2-16\r
\n" ); document.write( "\n" ); document.write( "Thank you!
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Algebra.Com's Answer #146963 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\"%28x%5E2-x-12%29%2F%28x%5E2-16%29\" Start with the given expression.\r
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\n" ); document.write( "\n" ); document.write( "\"%28%28x%2B3%29%28x-4%29%29%2F%28x%5E2-16%29\" Factor \"x%5E2-x-12\" to get \"%28x%2B3%29%28x-4%29\".\r
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\n" ); document.write( "\n" ); document.write( "\"%28%28x%2B3%29%28x-4%29%29%2F%28%28x-4%29%28x%2B4%29%29\" Factor \"x%5E2-16\" to get \"%28x-4%29%28x%2B4%29\".\r
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\n" ); document.write( "\n" ); document.write( "\"%28%28x%2B3%29highlight%28%28x-4%29%29%29%2F%28highlight%28%28x-4%29%29%28x%2B4%29%29\" Highlight the common terms. \r
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\n" ); document.write( "\n" ); document.write( "\"%28%28x%2B3%29cross%28%28x-4%29%29%29%2F%28cross%28%28x-4%29%29%28x%2B4%29%29\" Cancel out the common terms. \r
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\n" ); document.write( "\n" ); document.write( "\"%28x%2B3%29%2F%28x%2B4%29\" Simplify. \r
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\n" ); document.write( "\n" ); document.write( "So \"%28x%5E2-x-12%29%2F%28x%5E2-16%29\" simplifies to \"%28x%2B3%29%2F%28x%2B4%29\".\r
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\n" ); document.write( "\n" ); document.write( "In other words, \"%28x%5E2-x-12%29%2F%28x%5E2-16%29=%28x%2B3%29%2F%28x%2B4%29\" where \"x%3C%3E-4\" or \"x%3C%3E4\"
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