document.write( "Question 1109576: Complete the series
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Algebra.Com's Answer #724573 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "889 859 834 814\r\n" );
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document.write( "Take successive differences\r\n" );
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document.write( "-30, -25, -20\r\n" );
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document.write( "Continue successive differences using the pattern:\r\n" );
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document.write( "-30, -25, -20, -15, -10, -5, 0, 5, 10, 15, 20\r\n" );
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document.write( "Adding the successive differences:\r\n" );
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document.write( "889, 859, 834, 814, 799, 789, 784, 784, 789, 799, 814 \r\n" );
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document.write( "Since the differences are constants, its a quadratic\r\n" );
document.write( "form\r\n" );
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document.write( "\"a%5Bn%5D=expr%281%2F2%29%285n%5E2-75n%2B1848%29\"\r\n" );
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document.write( "Edwin
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