Algebra.Com's Answer #768892 by ikleyn(52799)![\"\"](\"/images/stars/stars-13.gif\")  
You can put this solution on YOUR website!
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document.write( " Look into your post, please, as it came to the forum.\r
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document.write( " From the post, it is UNCLEAR how far the square root symbol is spreading to the right.\r
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document.write( "If your equation is \r\n" );
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document.write( "  =  - 3 (1)\r\n" );
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document.write( "then the solution is as follows.\r\n" );
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document.write( "Introduce new variable u =  .\r\n" );
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document.write( "Then the equation (1) takes the form\r\n" );
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document.write( "  = 7*u - 3\r\n" );
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document.write( "  = 0\r\n" );
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document.write( " (2u-1)*(u-3) = 0\r\n" );
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document.write( "Case 1. 2u - 1 = 0\r\n" );
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document.write( " u =  \r\n" );
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document.write( " = \r\n" );
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document.write( "  =  \r\n" );
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document.write( " x =  = -2*ln(2). \r\n" );
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document.write( " It is the answer for Case 1.\r\n" );
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document.write( "Case 2. u - 3 = 0\r\n" );
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document.write( " u = 3\r\n" );
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document.write( " = 3\r\n" );
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document.write( " = 9\r\n" );
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document.write( " x =  = 2*ln(3). \r\n" );
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document.write( " It is the answer for Case 2.\r\n" );
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document.write( "ANSWER. The given equation has two solutions, -2*ln(2) and 2*ln(3).\r\n" );
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document.write( "Solved.\r
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document.write( "The solution by @greenestamps has editorial deficiencies, \r
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document.write( "so I came to fix them.\r
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