[ww-bugs] Bug 3547: New: MathObjects answer simplification error??

[bugzilla-daemon at webwork.maa.org]

http://bugs.webwork.maa.org/show_bug.cgi?id=3547

           Summary: MathObjects answer simplification error??
           Product: Problem libraries
           Version: unspecified
          Platform: PC
               URL: /Volumes/WW_test/opt/webwork/courses/gage_test/templat
                    es/Library/AlfredUniv/anton8e/chapter15/15_6/prob1.pg_
                    with_problemSeed=887
        OS/Version: Mac OS
            Status: NEW
          Severity: enhancement
          Priority: P5
         Component: Library (OPL)
        AssignedTo: jj at asu.edu
        ReportedBy: gage at math.rochester.edu
        Web browser ---
           version:


The correct answers for answer blanks 5, 6 and 7 all have errors in their
correct answer displays. (This does not seem to affect the working of the
problem itself.)  5 and 6 have double minuses (at the very least I think there
should be parentheses there).  More serious problem 7 has a -1^2
type error in the correct answer output. 

These seem to be errors in the heuristics used to determine the placement of
parentheses when simplifying the MathObjects answer for display.

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