document.write( "Question 180089: if the reciprocal of x+1 Is x-1 determine x \n" ); document.write( "
Algebra.Com's Answer #134966 by stanbon(75887)\"\" \"About 
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if the reciprocal of x+1 Is x-1 determine x
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\n" ); document.write( "1/(x+1) = x-1
\n" ); document.write( "Cross-multiply to get:
\n" ); document.write( "x^2-1 = 1
\n" ); document.write( "x^2 = 2
\n" ); document.write( "x = sqrt(2) or x = -sqrt(2)
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\n" ); document.write( "cheers,
\n" ); document.write( "Stan H.
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