.
\n" );
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document.write( "
=
====>\r\n" );
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=
====>\r\n" );
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=
====>\r\n" );
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=
. (*)\r\n" );
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document.write( "At this point, you can guess at least one root x = 3.\r\n" );
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document.write( "Next, transforming (*) into\r\n" );
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=
,\r\n" );
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document.write( "you can see that this root is unique: there are NO other roots.\r\n" );
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\r
\n" );
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document.write( "