Question 842067

Previous tutor said it equals -14. The book and calculator says the answer is 0. Help needed. 12+8 radical 81 divided by (-6)
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If the answer is 0, then the problem is: {{{12 + 8sqrt(81)/-6}}}, as opposed to: {{{(12 + 8sqrt(81))/-6}}}. Do you see the difference?
You need to state the problem correctly, WITH PARENTHESES.