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?

See

https://www.jiskha.com/questions/1799546/Suppose-that-for-some-a-b-c-we-have-a-b-c-6-ab-ac-bc-5-and-abc-12-What-is