I need help because I dont understand how to solve this

A satellite television reception station is to be located at paint P so that the sum of the squares of the distances from P to the three towns A, B, and C BJa minimum. Town A is located at (0,0), boren B is located at (3.9) and town C is located at (150) Find the coordinates (x y) of point P, that will minimize the cost of providing satellite television for all tree towns. The station should be placed at the point - (Type an ordered par ]