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September 18, 2014

September 18, 2014

Posted by **kj** on Wednesday, March 13, 2013 at 10:42pm.

write b^2/3 as a radical expression

- math -
**Dr. Jane**, Thursday, March 14, 2013 at 10:13amfor the second one you have b^2 under a radical sign with an index of 3 (or root of 3)

You have some typos in the first one.. but if I am a reading it correctly.

(w+9)^3 = -56

take the cube root of both sides

w + 9 = cube root of (-56)

subtract 9.. the 9 will not be under the root.

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