If P(x)=x3−px+qP(x) = x^3 - px + qP(x)=x3−px+q has roots α,β,γ\alpha, \beta, \gammaα,β,γ, what is α2+β2+γ2\alpha^2 + \beta^2 + \gamma^2α2+β2+γ2?
2p
p
-2p
p^2