ab(c2+d2)-a2cd-b2cd
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Answer:ab (c2 + d2) – a2cd – b2cd
= abc2 + abd2 – a2cd – b2cd
= abc2 – a2cd – b2cd + abd2
= ac (bc – ad) – bd (bc – ad)
= (bc – ad) (ac – bd)
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Answer:
(bc-ad) (ac-bd) is the correct answer
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