Respuesta :
Answer:
Step-by-step explanation:
x^2=20
just square both sides and u get
x = 4.472135955
					                   Square root 20
Or if you want it simplified:
2 square root 5
(2 will be on the outside of the square root)
					                
					             Or if you want it simplified:
2 square root 5
(2 will be on the outside of the square root)
