Skróć ułamki. PROSZE O POMOC! Karolinaaa: 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