x2-11x+18=0
25x2-20x+4
3x2-5x+4
Pomogite pozalsta ostalas 6 minut

x^2 - 11x + 18 = 0D = b^2 - 4ac = (-11)^2 - 4*1*18 = 121-72 = 49VD = V49 = 7x1 = (11+7)/2 = 18/2 = 9x2 = (11-7)/2 = 4/2 = 2

25x²-20x+4=0(5x-2)²=05x-2=05x=2x=2/5