2x²-9x+10=0
D= 9*9-4*2*10= 81-80= 1
x1= (9+1)/4= 2,5
x2= (9-1)/4= 2
2х² - 9х + 10 = 0,
Д = (-9)² - 4*2*10 = 81 - 80 = 1,
х1 = (9 + 1) / 2*2 = 10/4 = 2,5
х2 = (9 - 1) / 2*2 = 8/4 = 2
2x²-9x+10=0
D= 9*9-4*2*10= 81-80= 1
x1= (9+1)/4= 2,5
x2= (9-1)/4= 2
2х² - 9х + 10 = 0,
Д = (-9)² - 4*2*10 = 81 - 80 = 1,
х1 = (9 + 1) / 2*2 = 10/4 = 2,5
х2 = (9 - 1) / 2*2 = 8/4 = 2