←Vrati se na zadatke4. ZadatakRiješi jednadžbu 6(x−1)(x+2)−4(x−3)(x+4)=2(x−5)(x−6).6(x-1)(x+2)-4(x-3)(x+4)=2(x-5)(x-6).6(x−1)(x+2)−4(x−3)(x+4)=2(x−5)(x−6).Rješenje6(x2+2x−x−2)−4(x2+4x−3x−12)=2(x2−6x−5x+30)6(x2+x−2)−4(x2+x−12)=2(x2−11x+30)6x2+6x−12−4x2−4x+48=2x2−22x+606x2−4x2−2x2+6x−4x+22x=60−48+1224x=24x=1\begin{aligned} 6(x^2+2x-x-2)-4(x^2+4x-3x-12) &=2(x^2-6x-5x+30)\\ 6(x^2+x-2)-4(x^2+x-12) &=2(x^2-11x+30)\\ 6x^2+6x-12-4x^2-4x+48 &=2x^2-22x+60\\ 6x^2-4x^2-2x^2+6x-4x+22x &=60-48+12\\ 24x&=24\\ x&=1 \end{aligned}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
