Răspuns:
11.
a)(x-1)(x+1)/(x+2)(x-1) = (x+1)/(x+2)
b)(x-2)(x+2)/(x+2)(x-5) = (x-2)/(x-5)
c)(x-4)(x-3)/(x-3)(x+3) = (x-4)/(x+3)
d)(x-4)(x+4)/(x+1)(x-4) = (x+4)/(x+1)
e)(x+1)^2/((x+1)(x+2) = (x+1)/(x+2)
f)(x+2)(x-4)/(x+2)^2 = (x-4)/(x+2)
g)(x-3)^2/(x-3)(x+1) = (x-3)/(x+1)
h)(x-2)(x-4)/(x-4)^2 = (x-2)/(x-4)
