Respuesta :

We have that:

[tex]2x^n\cdot2x^n\rightarrow(2x^n)^2\rightarrow2^2\cdot(x^n)^2\rightarrow4x^{2n}[/tex]

This way,

[tex]2x^n\cdot2x^n=4x^{2n}[/tex]