Simplify Equations

[valeriet02]

Decided whether the statement is true or false. Then, give a reason or an example that supports the answer.

 

[Deleted member 4993]

Decided whether the statement is true or false. Then, give a reason or an example that supports the answer.

What was the result of that decision ?

 

[valeriet02]

What was the result of that decision ?

I know that it was false but I don’t know how to explain it

 

[Steven G]

What if x=1 and y=1?
What about expanding (x-y)^2?
Suppose it was true. Then what would (x+y)^2 equal? If you say x^2 + y^2 wouldn't that mean that (x-y)^2 = (x+y)^2? Can that be true?