document.write( "Question 877681: 12(x^2+1/x^2)-56(x+1/x)+89=0\r
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Algebra.Com's Answer #529518 by Edwin McCravy(20055) $\"\"$ $\"About$

You can put this solution on YOUR website!
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document.write( "So substitute  for \r\n" );
document.write( "and  for \r\n" );
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document.write( "6u - 13 = 0;       2u - 5 = 0\r\n" );
document.write( "     6u = 13           2u = 5\r\n" );
document.write( "      u =          u =\r\n" );
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document.write( "For u = , since \r\n" );
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document.write( "Multiply through by 6x\r\n" );
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document.write( "(3x-2)(2x-3) = 0\r\n" );
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document.write( "3x-2 = 0;     2x-3 = 0\r\n" );
document.write( "  3x = 2;       2x = 3 \r\n" );
document.write( "   x = ;       x = \r\n" );
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document.write( "------\r\n" );
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document.write( "For u = , since \r\n" );
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document.write( "Multiply through by 2x\r\n" );
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document.write( "(2x-1)(x-2) = 0\r\n" );
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document.write( "2x-1 = 0;      x-2 = 0\r\n" );
document.write( "  2x = 1;        x = 2 \r\n" );
document.write( "   x = ;       \r\n" );
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document.write( "So there are four solutions:\r\n" );
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document.write( "x = \r\n" );
document.write( "x = \r\n" );
document.write( "x = \r\n" );
document.write( "x = 2\r\n" );
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document.write( "Edwin

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