Answer:
x = 9
Step-by-step explanation:
x² = 81
[tex]\sqrt{81} = 9[/tex]
9×9 = 81
Silly mistake haha I've been there. It would be 9 :)
9x9 = 81 so 9^2 =81
If you had 3 then it would be 3x3=9 and 3^2= 9
You're welcome :)
