Respuesta :

lovetthannah9

Answer:

x2=81    x=9 and x=-9

x2=100  x=10 and x=-10

x=12      nothing you can solve for in this equation. X=12

Step-by-step explanation:

x2=81

Divide 81 by 2 and get x by it self

x2=100

Divide 100 by 2 and get x by it self