Tolong di bantu........

1.lim (x^3-x^2+3x+5)
x ->1
lim ((1)^3-(1)^2+3(1)+5)
x -> 1
= 1-1+3+5
=8
2. lim 2x^2-x-1
-----------------
x ->1 3x^2-x-2
= lim 2(1)^2-(1)-1
x -> 1 --------------------------
3(1)^2-(1)-2
=2-1-1
--------------
3-1-2
=0/0
kmudian difaktorkn.
hnya msh bsa segini.