Quote:
Originally Posted by EddyTheDog
Has anyone concidered that the the question is flawed?
The perenthesis should have been there.
If the initial question had been written as an exam ANSWER for example would it have been correct?
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It's not flawed. Parentheses are part of the order of operations and not required in this case. You use them to specify a different level or to make clear what might otherwise be an ambigious equation. Neither is the case here as there's only one way to solve this equation properly.