document.write( "Question 193585: x^2 + x -20/x^2 -16 \r
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\n" ); document.write( "\n" ); document.write( "answer:x+5/x+4\r
\n" ); document.write( "\n" ); document.write( "why is the answer x+5/ x+4 anyone can give a full break down why
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Algebra.Com's Answer #145307 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
x^2 + x -20/x^2 -16 \r
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\n" ); document.write( "\"x%5E2+%2B+x+-+20+=+%28x%2B5%29%2A%28x-4%29\"
\n" ); document.write( "\"x%5E2+-+16+=+%28x%2B4%29%2A%28x-4%29\"
\n" ); document.write( "The (x-4) cancels.
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