2 t 49 ----- - 14*t - ----- t - 7 t - 7
t^2/(t - 7) - 14*t - 49/(t - 7) при t = -1/4
t^2/(t - 7) - 14*t - 49/(t - 7)
(-1/4)^2/((-1/4) - 7) - 14*(-1/4) - 49/((-1/4) - 7)
(-1/4)^2/(-1/4 - 7) - 14*(-1)/4 - 49/(-1/4 - 7)
41/4
-14.0*t - 49.0/(-7.0 + t) + t^2/(-7.0 + t)
2
-49 + t - 14*t*(-7 + t)
------------------------
-7 + t -49 + t*(98 - 13*t)
-------------------
-7 + t