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answer the following:
1.(a+b) (a+b) = ____
2. (a-b) (a-b) = ____
3. (a+b) (a-b) = _____

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CRYSTALLEE03GO

Answer:

  1. (a+b)²
  2. (a-b)²
  3. a²- b²

Step-by-step explanation:

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