document.write( "Question 550817: If the reciprocal of (x-2) is (x+2) what is the greatest possible value of x
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document.write( "Express your answer in simplest radical form\r
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document.write( "i dont know how to solve it or what to do i tried quadratics but did not work \n" );
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Algebra.Com's Answer #359123 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! If the reciprocal of (x-2) is (x+2) what is the greatest possible value of x \n" ); document.write( "Express your answer in simplest radical form \n" ); document.write( ": \n" ); document.write( "Let's just solve for x and see what happens \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( "1 = (x+2)(x-2) \n" ); document.write( "1 = x^2 - 2x + 2x - 4 \n" ); document.write( "1 = x^2 - 4 \n" ); document.write( "0 = x^2 - 4 -1 \n" ); document.write( "0 = x^2 - 5 \n" ); document.write( "Therefore \n" ); document.write( "x = +/- \n" ); document.write( "the greatest possible value then: x = \n" ); document.write( " \n" ); document.write( " |