SOLUTION: Kurt says that you can take the square root of each side of an equation. Therefore, he says that (x+2)^2+(y-5)^2=36 and (x+2)+(y-5)=6 are equivalent equations. Dana says they are

Question 852522: Kurt says that you can take the square root of each side of an equation. Therefore, he says that (x+2)^2+(y-5)^2=36 and (x+2)+(y-5)=6 are equivalent equations. Dana says they are NOT. Who is right? Explain your answer.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Dana is correct.

According to Kurt,

Oops that's not right.
There are additional terms,
.
.
Now the right way,

Square both sides.

Using the FOIL method,

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