Answer:
3^2 0r (-3)^2
Explanation:
let the number be x
x^2=9
x=
x=
x=3
there fore x=plus or minus 3.since it is a sqauring a number if u square (-3)^2 along will the number sign also gets multiplied and (-*-)=+ so u we get positive number.
therefore if u square 3 then u will get 9