Skróć ułamki.! Booże pomóżcie ja nic nie potrafie!POMOCY!!
Karolaa: Skróć ułamki.
a)(x−1)x2−4(x−1)x+4(x−1)
−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−=
(x−2)x2−(x−2)
b)(x+1)x2−4(x+1)
−−−−−−−−−−−−−−−−−−−−−−−=
(x+2)(x2+2x+1)
c)x2(3−x)−9(3−x)
−−−−−−−−−−−−−−−−−−−−−=
(x−3)2
d)2x(x−4)+x(x−4)2
−−−−−−−−−−−−−−−−−−−−−−−=
4x−x3
6 sty 19:39
6 sty 19:40