Answer: [tex]4\sqrt{5}x^7[/tex]
Step-by-step explanation:
[tex]\sqrt{80}x^7[/tex]
[tex]=\sqrt{2^4\cdot \:5}x^7[/tex]
[tex]=\sqrt{2^4}\sqrt{5}x^7[/tex]
[tex]=4\sqrt{5}x^7[/tex]
