The square root is a decimal 20.2484567313 but you can put 20.24 instead of the larger number above
Answer:

Step-by-step explanation:
Given equation:

Solutions: -9 and 9
To solve for 
Solution:
The solutions of the equation means
and 
We will plugin the solutions in the equation and solve for 
1) when 


Subtracting both sides by 81.

∴ 
2) when 


Subtracting both sides by 81.

∴ 
So, for both solutions we get 
Answer:
rudiiytdtgffiytf8yg8ycuf
Step-by-step explanation:
x=-2
Step-by-step explanation:
hehsjsbsiwbweksie