{"result":{"text":"equals open negative I n open parentheses 1 plus x minus t close parentheses close vertical bar subscript 0 superscript x plus I n open open parentheses 1 minus x plus t close parentheses close vertical bar subscript x superscript 1 equals I n open parentheses 1 plus x close parentheses plus I n open parentheses 2 minus x close parentheses"},"status":"ok"}