ab(c²+d²)-a²cd-b²cd
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1
Answer:
Step-by-step explanation:
ab (c2 + d2) – a2cd – b2cd
= abc2 + abd2 – a2cd – b2cd
= abc2 – a2cd – b2cd + abd2
= ac (bc – ad) – bd (bc – ad)
= (bc – ad) (ac – bd)
Answered by
0
Answer:
_ abc2+abd2-a2cd-b2cd
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