I need help on algebra 1 rewriting expression with radicals !

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asked Dec 11, 2023 97.2k views

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I need help on algebra 1 rewriting expression with radicals !

Mathematics
high-school

Tommy Grovnes asked

by Tommy Grovnes

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It is required to combine the radicals which can be done as follows:

$\begin{gathered} 5\sqrt[]{27}-17\sqrt[]{3}=5\sqrt[]{3*3*3}-17\sqrt[]{3} \\ =5*3\sqrt[]{3}-17\sqrt[]{3} \\ =15\sqrt[]{3}-17\sqrt[]{3} \\ =(15-17)\sqrt[]{3} \\ =-2\sqrt[]{3} \end{gathered}$

Option D is correct.

Sigy answered Dec 16, 2023

by Sigy

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are you allowed to simplify a fractional exponent when you are rewriting radicals to have a radical exponent? for example, \sqrt[8]{y^(2) } is written as y^2/8 , but are you allowed to simplify the 2/8

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by Bobdiaes

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