如何解四元二次方程

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select * from tbl_Articles WHERE ArticleID=271570 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=271570 LIMIT 0,1
select * from tbl_Articles_sphinx where id=271570 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1740296,1779510,2902763,107341,1602127,2714794,619928,1087313,169435,1601302,2094511,1102216,2941510,1331848,3027046,2074102,1058415,1123263,1540102,1078863,3442180,2743417,1656921,109249,3137147,1076564,1712035,1063595,1605653,1900632) ORDER BY field (ArticleID,1740296,1779510,2902763,107341,1602127,2714794,619928,1087313,169435,1601302,2094511,1102216,2941510,1331848,3027046,2074102,1058415,1123263,1540102,1078863,3442180,2743417,1656921,109249,3137147,1076564,1712035,1063595,1605653,1900632)