The graph of a polynomial function P(x) has x-intercepts at x=−4, x=0, and x=7. Which of the following could be the equation for P(x)?
P(x)=(x−4)x(x+7)
P(x)=x(x+4)(x−7)
P(x)=(x+4)(x+0)(x+7)
P(x)=x(x−4)(x−7)