Two objects attract each other gravitationally with a force of 3.5 10-10 N when they are 0.33 m apart. Their total mass is 4.0 kg. Find their individual masses.

I got my answers but its say incorrect. the values i got 3.43 for larger mass and 0.57 small mass

I am not going to work it for you. Recheck your equation (binomial equation), and the quadratic formula calcs.