SOLUTION: 2. Explain how you know 25n2 - 20 is not a difference of squares.

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Question 933063: 2. Explain how you know 25n2 - 20 is not a difference of squares.
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
Short answer: 20 is not a perfect square.

Technically, you could still use difference of squares and write it as .