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Select ALL characteristics of a difference of squares.

1 First term must be a perfect square

2 The middle sign must be positive

3 Last term must be a perfect square

4 The middle sign must be negative

5 The squares must be different

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Select ALL characteristics of a sum of squares.

1 First term must be a perfect square

2 The middle sign must be positive

3 Last term must be a perfect square

4 The middle sign must be negative

5 The squares must be different

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