Объяснение:
x^2+x-6=0
D=b^2-4a=1+24=25=5^2
x1=(-b+√D)/2=2
x2=(-b-√D)2=-3
x-2≠0
x≠2
(x-2)(x+3)/(x-2) = 0
(x+3)=0
x=-3
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Объяснение:
x^2+x-6=0
D=b^2-4a=1+24=25=5^2
x1=(-b+√D)/2=2
x2=(-b-√D)2=-3
x-2≠0
x≠2
(x-2)(x+3)/(x-2) = 0
(x+3)=0
x=-3