document.write( "Question 1105837: If x+(1/x) = -3, find the value of x-(1/x) \n" ); document.write( "

Algebra.Com's Answer #720732 by ikleyn(52855) $\"\"$ $\"About$

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document.write( "If   +  = -3,  then (square both sides) \r\n" );
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document.write( " = 9  ====>\r\n" );
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document.write( " +  +  = 9  ====>\r\n" );
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document.write( " +  = 9-2 = 7  ====>\r\n" );
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document.write( " -  +  = 7 - 2 = 5  ====>\r\n" );
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document.write( " = 5  ====>   -  = +/- .\r\n" );
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document.write( "And both values   and  are achievable.\r\n" );
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\n" ); document.write( "\n" ); document.write( "Solution 2\r
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document.write( "If   +  = -3,  then \r\n" );
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document.write( " = 0  ====>\r\n" );
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document.write( " =  = .\r\n" );
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document.write( "1.  If  x = ,  then\r\n" );
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document.write( "     =  =  =  = .\r\n" );
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document.write( "    Then   -  =  -  = .\r\n" );
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document.write( "2.  If  x = ,  then similarly\r\n" );
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document.write( "     =  =  =  = .\r\n" );
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document.write( "    Then   -  =  -  = .\r\n" );
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\n" ); document.write( "\n" ); document.write( "Solved (two times with the identical answers !).
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\n" ); document.write( "\n" ); document.write( "The answer by @josgarithmetic is   I N C O R R E C T.\r
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\n" ); document.write( "\n" ); document.write( "-----------------
\n" ); document.write( "For many similar solved problems see the lessons\r
\n" ); document.write( "\n" ); document.write( "    - HOW TO evaluate expressions involving $\"%28x+%2B+1%2Fx%29\"$ , $\"%28x%5E2%2B1%2Fx%5E2%29\"$ , $\"%28x%5E3+%2B+1%2Fx%5E3%29\"$ and $\"%28x%5E5%2B1%2Fx%5E5%29\"$ \r
\n" ); document.write( "\n" ); document.write( "    - Advanced lesson on evaluating expressions\r
\n" ); document.write( "\n" ); document.write( "    - HOW TO evaluate functions of roots of a quadratic equation\r
\n" ); document.write( "\n" ); document.write( "in this site.\r
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\n" ); document.write( "\n" ); document.write( "Also, you have this free of charge online textbook in ALGEBRA-I in this site\r
\n" ); document.write( "\n" ); document.write( "    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.\r
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\n" ); document.write( "\n" ); document.write( "The referred lessons are the part of this online textbook under the topic \"Evaluation, substitution\".\r
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\n" ); document.write( "\n" ); document.write( "Save the link to this online textbook together with its description\r
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\n" ); document.write( "\n" ); document.write( "Free of charge online textbook in ALGEBRA-I
\n" ); document.write( "https://www.algebra.com/algebra/homework/quadratic/lessons/ALGEBRA-I-YOUR-ONLINE-TEXTBOOK.lesson\r
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\n" ); document.write( "\n" ); document.write( "to your archive and use it when it is needed.\r
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