document.write( "Question 659608: 9U^2-85U+196=0\r \n" );
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document.write( "CAN SOMEONE EXPLAIN TO ME HOW TO COMPLETE THE SQUARE. I THOUGHT THAT YOU TOOK HALF OF -85 AND SQUARE IT BUT ITS NOT WORKING OUT. THE ANSWER THAT I GOT FROM ANOTHER TUTOR IS \n" );
document.write( "9U^2-85U+(85/6)^2\r \n" );
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document.write( "WHERE DID THE 6 COME FROM?????\r \n" );
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document.write( "9U^2-85U+196=0 (ORIGINAL PROBLEM) \n" );
document.write( "COMPLETE THE SQUARE \n" );
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