document.write( "Question 430734: Simplify\r
\n" ); document.write( "\n" ); document.write( "x^2-x over x^2-1
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Algebra.Com's Answer #299116 by algebrahouse.com(1659)\"\" \"About 
You can put this solution on YOUR website!
Simplify
\n" ); document.write( "x^2-x over x^2-1\r
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\n" ); document.write( "\n" ); document.write( "x² - x
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\n" ); document.write( "x² - 1\r
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\n" ); document.write( "\n" ); document.write( "x(x - 1)
\n" ); document.write( "--------- {factored x out of top and factored bottom into two binomials, it was a \"difference of two squares\"}
\n" ); document.write( "(x + 1)(x - 1)\r
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\n" ); document.write( "\n" ); document.write( "x
\n" ); document.write( "---- {cancelled x - 1 on top and bottom}
\n" ); document.write( "x + 1
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