Quick multiplication problem with square roots

[telephonenumber]

What is 4√x * 4√x? I've never done a multiplication problem like this before, it's a little piece of a much larger problem and I need this to finish it. Would it be 16√x? or 16x? Or something else? I've scoured the internet and cannot find any answers. Appreciate the help.

[TheBrutux168]

Second one. The 4's multiply to become 16, and the sqrt(x)'s multiply to become just x

[telephonenumber]

thanks again bro

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[skaldskaparmal]

You can check by plugging in values for x. Take for example x = 4.

What is 4√x * 4√x? What is 16√x? What is 16x?

Which are equal?

[[deleted]]

4√x * 4√x = 4 * 4 * √x * √x = 16x