Помогите решить: 5/(x-5)-1/(x-5)^2 -4=0

[5(x-5)(x-5) - 1 - 4(x-5)^2]/(x-5)^2=0[(x-5)^2 - 1]/(x-5)^2=01 - 1/(x-5)^2 = 01/(x-5)^2=1 (x-5)^2=1 x-5=1x=6