←Vrati se na zadatke4. Zadatak
Riješi jednadžbu
6(x−1)(x+2)−4(x−3)(x+4)=2(x−5)(x−6).Rješenje
6(x2+2x−x−2)−4(x2+4x−3x−12)6(x2+x−2)−4(x2+x−12)6x2+6x−12−4x2−4x+486x2−4x2−2x2+6x−4x+22x24xx=2(x2−6x−5x+30)=2(x2−11x+30)=2x2−22x+60=60−48+12=24=1 