-1 1/6
Объяснение:
6x^2+7x+2=0
a=6, b=7, c=2
D=b^2-4ac
D=49-4*6*2= 49-48 = 1
x1= -b+√D -7+1
= = - 1/2
2a 12
x2 = -b-√D -7-1
= = -2/3
x1+x2= -1/2-2/3=-3/6-4/6=-7/6= -1 1/6
ответ: -1 1/6
-1 1/6
Объяснение:
6x^2+7x+2=0
a=6, b=7, c=2
D=b^2-4ac
D=49-4*6*2= 49-48 = 1
x1= -b+√D -7+1
= = - 1/2
2a 12
x2 = -b-√D -7-1
= = -2/3
2a 12
x1+x2= -1/2-2/3=-3/6-4/6=-7/6= -1 1/6
ответ: -1 1/6