Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "_sage_input_15.py", line 10, in <module>
exec compile(u'open("___code___.py","w").write("# -*- coding: utf-8 -*-\\n" + _support_.preparse_worksheet_cell(base64.b64decode("Zj0gKHheNCszKHgpLTkpCmYuIGludGVncmFsICh4LDIsNCk="),globals())+"\\n"); execfile(os.path.abspath("___code___.py"))
File "", line 1, in <module>
File "/tmp/tmpSybP3u/___code___.py", line 3, in <module>
f= (x**_sage_const_4 +_sage_const_3 (x)-_sage_const_9 )
TypeError: 'sage.rings.integer.Integer' object is not callable