Answer:
[tex]\large\boxed{x^{2n}+10x^n+16=(x^n+2)(x^n+8)}[/tex]
Step-by-step explanation:
[tex]\text{Use}\ (a^n)^m=a^{nm}.\\\\x^{2n}+10x^n+16=(x^n)^2+10x^n+16=x^n\cdot x^n+2x^n+8x^n+16\\\\=x^n(x^n+2)+8(x^n+2)=(x^n+2)(x^n+8)[/tex]
