Legalese is the term given to the special dialect of any given language (usually English) in a legal document[?]. Usually, Legalese has very long sentences that are incomprehensible to many a layman[?].
... it.)
The symbol
<math>\pm \sqrt {b^2-4ac}</math>
in the formula should be understood as "either of those element(s) of the field whose square equals b2 - ...