[{"id": "rbst6l", "text": "", "content": [{"type": "content/math", "position": 0, "content": "-2", "is_multiline": true}], "text_styles": [], "block_styles": []}, {"id": "g4erjw", "text": "", "content": [{"type": "content/math", "position": 0, "content": "1", "is_multiline": true}], "text_styles": [], "block_styles": []}, {"id": "besmlk", "text": "", "content": [{"type": "content/math", "position": 0, "content": "2", "is_multiline": true}], "text_styles": [], "block_styles": []}, {"id": "dij4qf", "text": "", "content": [{"type": "content/math", "position": 0, "content": "-1", "is_multiline": true}], "text_styles": [], "block_styles": []}, {"id": "3eq0tp", "text": "", "content": [{"type": "content/math", "position": 0, "content": "0", "is_multiline": true}], "text_styles": [], "block_styles": []}] \text{Выберите все значения переменной~$x$, при которых значение функции $f(x)=6x^2+6x-12$ равно нулю.}