lim x^2-4x-5/x^2-2x-3 = lim ((х+1)(х-5)) /((х+1)(х-3)) = x-->-1 x-->-1
lim (х-5)/(х-3) = (-1-5)/(-1-3) = (-6)/(-4) = 3/2 = 1,5x-->-1
lim x^2-4x-5/x^2-2x-3 = lim ((х+1)(х-5)) /((х+1)(х-3)) =
x-->-1 x-->-1
lim (х-5)/(х-3) = (-1-5)/(-1-3) = (-6)/(-4) = 3/2 = 1,5
x-->-1