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document.write( "Take out common factor 3x\r\n" );
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document.write( "Write each of the terms in the parentheses as squares:\r\n" );
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document.write( "Factor parentheses as the product of the difference\r\n" );
document.write( "and sum of the two square roots of the squares:\r\n" );
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document.write( "Remove the inner parentheses, as they are unnecessary:\r\n" );
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document.write( "Edwin