While two forces act on it, a particle is to move at the constant velocity = (3.99 m/s) - (-3.19 m/s). One of the forces is 1 = (1.32 N) + (-5.76 N). What is the other force?

Question

While two forces act on it, a particle is to move at the constant velocity  = (3.99 m/s) - (-3.19 m/s). One of the forces is 1 = (1.32 N) + (-5.76 N). What is the other force?