1. The problem statement, all variables and given/known data In the picture i attached, particles with charges q1 = +7e and q2 = -15e are fixed in place with a separation of d = 23.9 cm. With V = 0 at infinity, what are the finite (a) positive and (b) negative values of x (in cm) at which the net electric potential on the x axis is zero? I dont understand why for positive net electric potential is in the middle between them, and negative is to the left. Can someone explain this.