Respuesta :

Answer: 4

Step-by-step explanation:

[tex](\sqrt{x} )(\sqrt{2x} )[/tex]

Multiply the values under the root.

[tex]\sqrt{2x*x}\\\sqrt{2x^2}[/tex]

If you separate these into two roots, one of the x's will come out of the root.

[tex]x\sqrt{2}[/tex]