SOLUTION: Sir what is the meaning of statement "the difference of squares of two numbers" According to my book solution they have taken x^2?why?

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Question 1072801: Sir what is the meaning of statement "the difference of squares of two numbers"
According to my book solution they have taken x^2?why?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
The difference of two squares would be something like,
x%5E2-y%5E2