Let f(x)=x2+px+qf(x) = x^2 + px + qf(x)=x2+px+q. If f(1)=f(3)=0f(1) = f(3) = 0f(1)=f(3)=0, find p+qp + qp+q.
−4-4−4
777
−7-7−7
333