{"type":"rich","version":"1.0","title":"(x²-5x-36) / (6x²-13x-6)","html":"<iframe src=\"https://www.desmos.com/calculator/8dcquq9sfl?embed\" width=\"500px\" height=\"500px\" style=\"border: 1px solid #ccc\" frameborder=0></iframe>","width":500,"height":500}