plis Ania: Moglby ktos to spr? 2ln10(x²+4)−2x*2x*ln10 = 0 ln(2x²+8) − 4x²ln10 =0 2x²+8−4x²=0 −2x²+8=0 \\−2 x²−4=0 (x+2)(x−2)=0 x+−2 , x=2