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Pomogiteszadaniami
@Pomogiteszadaniami
July 2022
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Решите уравнение x^2-15=2x
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sofiamouse
Verified answer
Х^2-2x-15=0
D= 4 - 4* (-15) = 64
x1= (2+ 8)/2 = 5
x2= (2-8)/2= -3
ответ х1= 5 х2= -3
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Answers & Comments
Verified answer
Х^2-2x-15=0D= 4 - 4* (-15) = 64
x1= (2+ 8)/2 = 5
x2= (2-8)/2= -3
ответ х1= 5 х2= -3