Ответ:
x1,2 = 1,-2
Объяснение:
4 - x = x^2 + 2
x^2+x - 2 = 0
D=9
\sqrt{D} = 3
x1 = -(1+3)/2 = 1
x2 = (-1-3)/2 = -2
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Ответ:
x1,2 = 1,-2
Объяснение:
4 - x = x^2 + 2
x^2+x - 2 = 0
D=9
\sqrt{D} = 3
x1 = -(1+3)/2 = 1
x2 = (-1-3)/2 = -2