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aiti9811
@aiti9811
July 2022
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квадратичная уравнения решить уравнение x^2+x-12=0
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venera3101
Д = 1^2 - 4*1*(-12) = 1+ 48 = 49
х1= -1 + 7 /2 = 3
х2= -1 - 7 /2 = -4
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Answers & Comments
х1= -1 + 7 /2 = 3
х2= -1 - 7 /2 = -4