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Mathematics 9 Online
OpenStudy (anonymous):

How do I simplify the cube root of 54x^17?

OpenStudy (jessiegonzales):

(54x^17)^(1/3

OpenStudy (jessiegonzales):

=(27x^15)^(1/3) (2x^2)^(1/3)

OpenStudy (anonymous):

Okay, so if you cant divide the exponent by the root and get a whole number, then you do the fraction with the root as the numerator and the index as the denominator?

OpenStudy (jessiegonzales):

=3x^5(2^(1/3)x^(2/3)

OpenStudy (jessiegonzales):

YES!

OpenStudy (anonymous):

then why didnt you do 54x^3/17?

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