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which of the following radical expressions cannot be simplified further and why

Which Of The Following Radical Expressions Cannot Be Simplified Further And Why class=

Sagot :

[tex]^2\sqrt[]{3x}+\sqrt[]{3x}\text{ =2}\sqrt[]{3x}[/tex]

Since when a radical doesn't have an index, is a square root, the first one can be simplified.

[tex]3\sqrt[]{5x}-6\sqrt[]{5x\text{ }}=-3\sqrt[]{5x}[/tex]

The second option can be simplified.

[tex]^3\sqrt[]{5}+^{}2^3\sqrt[]{5}=3^3\sqrt[]{5}[/tex]

The third one can be simplified.

[tex]5^3\sqrt[]{x}+\sqrt[]{x}[/tex]

The last option cannot be simplified further.