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what is the answer to (y-a)^3-9 / 3(y-a)^2-6(y-a)-9

 Aug 27, 2017
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This division symbol in your expression causes the ambiguity in your expression. When using a division symbol, you must clarify your expression with the use of parentheses or brackets. The strict interpretation of your expression is the following:
 

\((y-a)^3-\frac{9}{3}(y-a)^2-6(y-a)-9\)

 

However, I could also imagine your expression any of the ones below:

 

\(\frac{(y-a)^3-9}{3(y-a)^2}-6(y-a)-9\)

\(\frac{(y-a)^3-9}{3(y-a)^2-6(y-a)}-9\)

\(\frac{(y-a)^3-9}{3(y-a)^2-6(y-a)-9}\)

 

Which one is it? Or is it something else?

 Aug 27, 2017

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