A 2.8 m -long rod has density λ in kilograms per meter of length described by λ=a+bx, where a = 1.7 kg/m, b = 1.9 kg/m2,and x is the distance from the left end of the rod. The rod rests horizontally with each end supported by a scale. What do the two scales read?
Express your answers in newtons, starting from the left scale, separated by a comma.