((X-4):(X²+12X+36))-((X-1):(X²-36)) при X равно 1.5

(x-4)/(x+6)^2)-(x-1)/(x-6)(x+6)=(x-4)(x-6)-(x-1)(x+6))//(x-6)(x+6)^2==(x^2-6x-4x-(x^2+6x-x-6))//(x-6)(x+6)^2==(x^2-x^2-10x-5x+6)//(x-6)(x+6)^2=(-15x+6)//(x-6)(x+6)^2=(-22.5+6)//(1.5-6)(1.5+6)^2=(-16.5)//(-4.5)(56.25)=16.5/253.125=15.34