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OpenStudy (anonymous):
Simplify by factoring. Assume that all expressions under radicals represent nonnegative numbers. 3 sqrt 243 x^8
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OpenStudy (saifoo.khan):
\[\sqrt[3]{243x^8}\]Like that?
OpenStudy (anonymous):
27x^4 sqrt 3
OpenStudy (anonymous):
3 * sqrt ( 243 * x^8) = 3 * sqrt ( 9 * 9 * 3 * x^4 * x^4) = 3 * 9 * x^4 * sqrt (3)
OpenStudy (anonymous):
thus 27x^4 sqrt 3
OpenStudy (anonymous):
Thank you all!
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