document.write( "Question 168257: Please help me solve this problem:\r
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document.write( "Find both values of x which satisfy the equation x + 1/x = 7 + 1 /7 .\r
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document.write( "x= ___________________ or x= ______________________\r
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document.write( "Explain how you got your answers. \n" );
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Algebra.Com's Answer #124032 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Find both values of x which satisfy the equation \n" ); document.write( " x + 1/x = 7 + 1 /7 . \n" ); document.write( ": \n" ); document.write( "Multiply equation by 7x to get rid of the denominators, results: \n" ); document.write( "7x^2 + 7 = 49x + x \n" ); document.write( ": \n" ); document.write( "7x^2 + 7 = 50x \n" ); document.write( ": \n" ); document.write( "7x^2 - 50x + 7 = 0; a quadratic equation \n" ); document.write( "factors to \n" ); document.write( "(7x - 1)(x - 7) = 0 \n" ); document.write( ": \n" ); document.write( "7x = 1 \n" ); document.write( "x = \n" ); document.write( "and \n" ); document.write( "x = 7 \n" ); document.write( " |