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[(a+b)+c]^2 how to answer this equation?

sorry but it's trinomial the answer should be with 6 terms :)
Dont argue ! .. Let's see tomorrow
we already discussed about that in our school :0
[(a+b)+c]^2 = a^2+b^2+c^2+2(ab+ac+bc)
[(a+b)+c]^2 = a^2+b^2+c^2+2(ab+ac+bc) = [(a^2+b^2+c^2)+(2ab+2ac+2bc)]


The correct answer was    a^2 +2ab +b^2 +2ac + 2bc + c^2

hope it helps

-ninah :)

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