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Носок325
@Носок325
July 2022
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-x^2-2x+3=(x-7)^2 решите уравнения
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MeiAiakashi
-x^2-2x+3=x^2-14x+49
-х^2-2x+3-x^2+14x-49=0
-2x^2+12x-46=0
2x^2-12x+46=0
D=144-4*2*46 < 0
=> нет корней
0 votes
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Anastasiya2703
Нет действительных корней!
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Answers & Comments
-х^2-2x+3-x^2+14x-49=0
-2x^2+12x-46=0
2x^2-12x+46=0
D=144-4*2*46 < 0
=> нет корней