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Suppose that for some $a,b,c$ we have $a+b+c = 6$, $ab+ac+bc = 5$ and $abc = -12$. What is $a^3+b^3+c^3$?

 Mar 19, 2021
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a^3 + b^3 + c^3 = 85.

 Mar 19, 2021

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