{"issue":{"state":"open","created_at":"2011-12-12T10:35:56Z","updated_at":"2011-12-12T12:11:51Z","comments":1,"user":{"gravatar_id":"96ea3904626fe17bec2152ee31cee0cd","id":924247,"url":"https://api.github.com/users/KhanBugz","avatar_url":"https://secure.gravatar.com/avatar/96ea3904626fe17bec2152ee31cee0cd?d=https://a248.e.akamai.net/assets.github.com%2Fimages%2Fgravatars%2Fgravatar-140.png","login":"KhanBugz"},"body":"Reporter: jone11@ru.is\n\nit look like there is a wrong answer \n\n(5a^5−6a^3)−(2a^5−3a^3)\n3a^5-9a^3 ?\n\nbest regrets from Iceland \n\nJón Heiðar \n\n[adding_and_subtracting_polynomials.html?seed=85&problem=subtract](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_and_subtracting_polynomials.html?seed=85&problem=subtract&debug)\n\n[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/adding_and_subtracting_polynomials.html?seed=85&problem=subtract&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%22None%20of%20the%20above.%5C%22%22%2C25%5D%2C%5B%22incorrect-activity%22%2C%22%5C%22%3Ccode%20style%3D%5C%5C%5C%22display%3A%20none%3B%20%5C%5C%5C%22%3E7a%5E%7B5%7D-9a%5E%7B3%7D%3C%2Fcode%3E%5C%22%22%2C19%5D%2C%5B%22incorrect-activity%22%2C%22%5C%22%3Ccode%20style%3D%5C%5C%5C%22display%3A%20none%3B%20%5C%5C%5C%22%3E-5a%5E%7B5%7D-3a%5E%7B3%7D%3C%2Fcode%3E%5C%22%22%2C3%5D%2C%5B%22correct-activity%22%2C%22%5C%22%3Ccode%20style%3D%5C%5C%5C%22display%3A%20none%3B%20%5C%5C%5C%22%3E3a%5E%7B5%7D-3a%5E%7B3%7D%3C%2Fcode%3E%5C%22%22%2C7%5D%5D)\n\n    [\"None of the above.\",\"<code style=\\\"display: none; \\\">7a^{5}-9a^{3}</code>\",\"<code style=\\\"display: none; \\\">-5a^{5}-3a^{3}</code>\",\"<code style=\\\"display: none; \\\">3a^{5}-3a^{3}</code>\"]\n\nMozilla/5.0 (Windows NT 6.1) AppleWebKit/535.2 (KHTML, like Gecko) Chrome/15.0.874.121 Safari/535.2\n\nMathJax is loaded, ready, queue length: 0\n\n","assignee":null,"number":8409,"id":2521513,"pull_request":{"patch_url":null,"html_url":null,"diff_url":null},"labels":[{"color":"e102d8","name":"chrome","url":"https://api.github.com/repos/Khan/khan-exercises/labels/chrome"},{"color":"ededed","name":"win7","url":"https://api.github.com/repos/Khan/khan-exercises/labels/win7"},{"color":"FFA500","name":"wrong-or-unclear","url":"https://api.github.com/repos/Khan/khan-exercises/labels/wrong-or-unclear"}],"title":"Adding and subtracting polynomials - I think this is wrong ","html_url":"https://github.com/Khan/khan-exercises/issues/8409","closed_at":null,"url":"https://api.github.com/repos/Khan/khan-exercises/issues/8409","milestone":null},"action":"created","comment":{"created_at":"2011-12-12T12:11:51Z","updated_at":"2011-12-12T12:11:51Z","user":{"gravatar_id":"0fcb6510f4d282e5469403c04f6ff777","id":219302,"url":"https://api.github.com/users/petercollingridge","avatar_url":"https://secure.gravatar.com/avatar/0fcb6510f4d282e5469403c04f6ff777?d=https://a248.e.akamai.net/assets.github.com%2Fimages%2Fgravatars%2Fgravatar-140.png","login":"petercollingridge"},"body":"realbug","id":3105220,"url":"https://api.github.com/repos/Khan/khan-exercises/issues/comments/3105220"}}