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Which expression is equivalent to 3 sqrt 27x^18

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4 votes
Assuming your original expression was 3√(27x¹⁸), the answer is 9x⁹√(3).

We split up the radicand into perfect squares. Once we do, we take out the things that were squared:

3\sqrt{27x^(18)} = 3√(3*3*3x^2x^2x^2x^2x^2x^2x^2x^2x^2x^2) = 3*3*xxxxxxxxx√(3)

=9x^9√(3)
User Trudolf
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2 votes

A on edg 2021 :) :

glad to help

User Zuraff
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