document.write( "Question 736540: How do you solve
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document.write( "x^-1 - x^-2 = 3/4\r
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document.write( "I tried the u substitution but did not get the correct answer. I keep getting -1/2 plus or minus i radical 2 over two\r
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document.write( "But the answer I need to get to is -2,2/3\r
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document.write( "Please help! \n" );
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Algebra.Com's Answer #449884 by josgarithmetic(39630) ![]() You can put this solution on YOUR website! EDIT(small arithmetic mistake correction):\r \n" ); document.write( "\n" ); document.write( "Realize your equation is the same as \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "If you have that within your solution steps, you were doing well up to such point.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Simplifies further to \n" ); document.write( "factorable into ---No. NOT factorable. \n" ); document.write( "Use formula for solution to a quadratic equation. It will simplify to \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The expected -2 or 2/3 is incorrect. \n" ); document.write( " \n" ); document.write( " |