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NelsSing
@NelsSing
July 2022
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Решите уравнение. -x+2=[tex] x^{2} [/tex]
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русская25
X² = -x +2
x²+x-2=0
D= 1+4*1*2= 1+8=9
x₁= -1+3/2 = 1
х₂= -1-3/2 = -2
Ответ: -2;1.
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NelsSing
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Answers & Comments
x²+x-2=0
D= 1+4*1*2= 1+8=9
x₁= -1+3/2 = 1
х₂= -1-3/2 = -2
Ответ: -2;1.