Finding the Net Force on q0 from +5q and –3q Charges

[Roxiney]

Homework Statement

A point charge +5q is located at the origin, and a point charge –3q is located on the x-axis at D = 0.361 m. At what location on the x-axis will a third charge, q0, experience no net force from the other two charges?

Homework Equations

F = k * (q1q2/r^2)

The Attempt at a Solution

 

[rock.freak667]

You need to show some attempt.