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lexa2112
@lexa2112
July 2022
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x^2+3x-130 = 0 распишите
срочно надо у же завтра
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komandor
X^2 + 3x - 130 = 0
D = 9 + 520 = 529
x = (-3 + 23) : 2 = 10
x = (-3 - 23) : 2 = - 13
5 votes
Thanks 19
av128750
Х^2+3х-130=0
Д=3^2-4•1•(-130)=529
х1=(-3-23):2=-13
х2=(-3+23):2=10
Ответ: -13; 10
3 votes
Thanks 14
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Answers & Comments
D = 9 + 520 = 529
x = (-3 + 23) : 2 = 10
x = (-3 - 23) : 2 = - 13
Д=3^2-4•1•(-130)=529
х1=(-3-23):2=-13
х2=(-3+23):2=10
Ответ: -13; 10