x ² - 6x = 4x - 25х² - 6x - 4x + 25 = 0x² -10x + 25 = 0D = b² - 4ac = 100 - 100 = 0. x1 = -b/2ax1 = 10/2x1 = 5ответ: 5
x ² - 6x = 4x - 25
х² - 6x - 4x + 25 = 0
x² -10x + 25 = 0
D = b² - 4ac = 100 - 100 = 0.
x1 = -b/2a
x1 = 10/2
x1 = 5
ответ: 5