lim x → 0 x^2-x/x^2+2x ?

jawab

lim (x ->0) (x² -x) / (x² + 2x)

lim (x ->0)  x( x - 1) / x(x +2)

lim(x->0)  (x - 1) /  (x  + 2)
x= 0 --> (0-1)/(0+2) = - 1/2