Two Point Charges Lie On The X Axis A Charge Of 6 34 Muc Is At The Origin And A

Two point charges lie on the x axis. A charge of +6.34 muC is at the origin, and a charge of -9.51 muC is at x = 13.0 cm. What is the net electric field at x = -3.82 cm? What is the net electric field at x = +3.82 cm?