Answer:
[tex]\frac{\sqrt{80} }{5}[/tex]
Step-by-step explanation:
sqrt(5x)^2=sqrt80
5x=sqrt80 divide both side by five
Solution given
[tex] 5x²=80\\x²=\frac{80}{5}\\x=\sqrt{16}\\x=±4[/tex]
is a required answer.