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**2x^3/(x^-1)^3 The answer key says 2x^6 but I don't get how.**

2x^3/(x^-1)^3 The answer key says 2x^6 but I don't get how.

**Answer**

simplify denominator first (X^-1)^3 = x^-3 then : 2x^3/ x^-3 apply the rule a^m/ a^n =a^m-n so 2(x^3- (-3)) = 2x^3+3 = 2x^6

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##### Virtual Teaching Assistant: John B.

##### Question Level: Basic

##### Karma: Free

##### Upload Date: 5/31/2017

This 22 words question was answered by John B. on StudySoup on 5/31/2017. The question contains content related to Math Since its upload, it has received 105 views.