Use inspection to solve the equation x^2=81 , then select the complete solution set below. If there are no real solutions, select “There are no real solutions.”(1 point)

Responses

{−9,9}
left brace negative 9 comma 9 right brace

{9}
left brace 9 right brace

There are no real solutions.
There are no real solutions.

{−9}