document.write( "Question 1208662: Solve for a.\r
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Algebra.Com's Answer #847050 by ikleyn(52803)\"\" \"About 
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document.write( "You start from\r\n" );
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document.write( "    \"%28a%2Fx%29%5E3\" + \"b%2Fx\" = c.\r\n" );
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document.write( "    As your starting equation is written in this form, \r\n" );
document.write( "    it is assumed implicitly that x =/=0.\r\n" );
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document.write( "Isolate the term with \"a\" in the left side\r\n" );
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document.write( "    \"%28a%2Fx%29%5E3\" = c - \"b%2Fx\".\r\n" );
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document.write( "Since left side is the fraction, write right side as a fraction, too\r\n" );
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document.write( "    \"%28a%2Fx%29%5E3\" = \"%28cx+-+b%29%2Fx\".\r\n" );
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document.write( "It is the same as \r\n" );
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document.write( "    \"a%5E3%2Fx%5E3\" = \"%28cx-b%29%2Fx\".\r\n" );
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document.write( "Multiply both sides by  \"x%5E3\"\r\n" );
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document.write( "    \"a%5E3\" = \"%28x%5E3%2A%28cx-b%29%29%2Fx\" = \"x%5E2%2A%28cx-b%29\"\r\n" );
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document.write( "Now take cube roots of both sides\r\n" );
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document.write( "    a =  \"root%283%2C+x%5E2%2A%28cx-b%29%29\".\r\n" );
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document.write( "It is the desired expression for \"a\".\r\n" );
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