Gravitational Fields. Find the point on the x axis for which g = 0.

A point particle of mass m1 = 2.00 kg is at the origin and a second point particle of mass m2 = 9.00 kg is on the x axis at x = 5.0 m. Find the gravitational field at the following locations.

(a) x = 2.0 m 

3.335e-11  N/kg i

(b) x = 12.0 m 

-1.318e-11 N/kg i

(c) Find the point on the x axis for which g = 0. 

x =  ________ m

Part a and b are correct, I just need help with part C

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