Answer :

JewelDolphin123

Answer:

Correct answer: [tex]6\sqrt{6} x^3[/tex]

Step-by-step explanation:

[tex]\sqrt{216x^3}=\sqrt{216} \sqrt{x^6}[/tex]

[tex]\sqrt{216} =6\sqrt{6}[/tex], [tex]\sqrt{x^6} =x^3[/tex]

Combine: [tex]6\sqrt{6} x^3[/tex]
They forgot to multiple the 2 and 3 that didn’t have a pair

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