If α,β,γ\alpha, \beta, \gammaα,β,γ are roots of x3−2x2+3x−4=0x^3 - 2x^2 + 3x - 4 = 0x3−2x2+3x−4=0, what is α3+β3+γ3\alpha^3 + \beta^3 + \gamma^3α3+β3+γ3?
2
4
6
8