2x ^ 2-5x + 2 = 0
D = 25-4 * 4 = 25-16 = 9
x1- (5-V9) / 2 "2 = (5-3) /4=2/4=0.5
x2 (5 + 3) / 4 = 8/4 = 2
2x ^ 2-5x + 2 = 0
D = 25-4 * 4 = 25-16 = 9
x1- (5-V9) / 2 "2 = (5-3) /4=2/4=0.5
x2 (5 + 3) / 4 = 8/4 = 2