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Mathematics 37 Online
OpenStudy (ksaimouli):

simplify 9-x^-2/3+x^-1

OpenStudy (dariyana):

- x^(-2) is the same as (3 - (x^-1))*(3 + (x^-1)) So you can replace (9 - (x^-2)) in your problem to get: [(3 - (x^-1))*(3 + (x^-1))] / (3 + (x^-1)). 3 + (x^-1) cancels, and you are left with just 3 - (x^-1)

OpenStudy (dariyana):

lol sorry forgot the 9 and the begining

OpenStudy (dariyana):

@ksaimouli

OpenStudy (ksaimouli):

could u draw

OpenStudy (dariyana):

iam on my phone i cant sorry

OpenStudy (ksaimouli):

ohk

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