(a+b)2 + (b+c)2 =

1. A Option A: a2 + 2b2 + 2ab + c2 + 2bc
2. B Option B: a2 + b2 + c2 + 2ab + 2bc
3. C Option C: a2 - b2 + c2 + 2ab + 2bc
4. D Option D: 2a2 + 2b2 + 2c2 + ab + bc
5. E Option E: none

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