x² - 7x = -12
x² - 7x + 12 = 0 D = b²-4ac = 49-48 = 1
x₁₂ = (-b±√D)/2a
x₁ = (7+1)/2 = 4
x₂ = (7-1)/2 = 3
ответ: {3; 4}
x^2-7x=-12
x^2-7x+12=0
D= 49-48=1
х1= (7+1)/2=4
х2=(7-1)/2=3
ответ: х1=4, х2=3
x² - 7x = -12
x² - 7x + 12 = 0 D = b²-4ac = 49-48 = 1
x₁₂ = (-b±√D)/2a
x₁ = (7+1)/2 = 4
x₂ = (7-1)/2 = 3
ответ: {3; 4}
x^2-7x=-12
x^2-7x+12=0
D= 49-48=1
х1= (7+1)/2=4
х2=(7-1)/2=3
ответ: х1=4, х2=3