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Mathematics 7 Online
OpenStudy (anonymous):

Can someone please explain how to get this answer?

OpenStudy (ash2326):

@jessielaree Please post your question

OpenStudy (anonymous):

OpenStudy (ash2326):

This is a cube root question. Do you know how to find cube root?

OpenStudy (anonymous):

I think I start off like this.. x= -6/3 = 1/x^-2

OpenStudy (ash2326):

yes, that's right. Can you simplify it further?

OpenStudy (anonymous):

...well thats where im stuck lol

OpenStudy (ash2326):

We have \[\frac1{x^{-2}}\] There is a property \[\frac{1}{a^{-n}}=a^n\] can you use it here?

OpenStudy (anonymous):

yeah..so it would be x^2?

OpenStudy (ash2326):

yes, that's right. Do you understand?

OpenStudy (anonymous):

Yeah I get it....I didnt know there was such a property haha. Thank you!

OpenStudy (ash2326):

Yeah!

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