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## Homework Statement

Two charges q1=+9c and q2+-1c are separated by 2m. Where is their neutral point?

## Homework Equations

E = E(+) + E(-)

E= k q/r^2

## The Attempt at a Solution

k q1/(2+x)^2 = -(k q2/x^2)

When I solve for this equation I end up square rooting a negative number which would then give i and I don't know how to work with this.