(х-1)×(х-6)
x2-7x+6=1(x-6)(x-1)
x2-7x+6=0
D=(-7)-4×1×6
D=25
x1=7+√25\2×1
x1=7+5/2
x1=6
x2=7-√25\2×1
x2=7-5/2
x2=1
(х-1)×(х-6)
x2-7x+6=1(x-6)(x-1)
x2-7x+6=0
D=(-7)-4×1×6
D=25
x1=7+√25\2×1
x1=7+5/2
x1=6
x2=7-√25\2×1
x2=7-5/2
x2=1