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document.write( "The other tutor's answer above is incorrect. The other tutor gave the\r\n" );
document.write( "solution for
. The 2 and the 16 are not in\r\n" );
document.write( "parentheses so they are not raised to those negative powers. Only x is\r\n" );
document.write( "raised to those negative powers in your equation.\r\n" );
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document.write( "
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document.write( "Divide both sides by 2\r\n" );
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document.write( "
\r\n" );
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document.write( "Write the factors with negative exponents as denominator\r\n" );
document.write( "factors with positive exponents:\r\n" );
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document.write( "
\r\n" );
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document.write( "Cross-multiply:\r\n" );
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document.write( "
\r\n" );
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document.write( "Get 0 on the right sides:\r\n" );
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document.write( "
\r\n" );
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document.write( "Factor out x³\r\n" );
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document.write( "
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document.write( "
,
\r\n" );
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document.write( "
,
\r\n" );
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document.write( "0 is not a solution because 0 may only be raised to \r\n" );
document.write( "positive powers, and the original has negative powers.\r\n" );
document.write( "The second equation requires the factorization of the\r\n" );
document.write( "difference of two cubes:\r\n" );
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document.write( "
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document.write( "
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document.write( "
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document.write( "
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document.write( " \r\n" );
document.write( "
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document.write( "
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document.write( "
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document.write( "
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document.write( "
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document.write( "
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document.write( "
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document.write( "
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document.write( "So there are three solutions
,
,
\r\n" );
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document.write( "\r\n" );
document.write( "Edwin
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document.write( "