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α+β=-b/a
αβ=c/a
a³+b³=(a+b)³-3ab(a+b)

I might make calculation errors.👀

Dw

Actually I'm afraid of misinterpreting the question. If I accidentally give the wrong answer or something unrelated to the question, just correct me anytime!✍️

芽瑠

Thank youuu!
I got the same answer so your calculation is correct I think

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