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лизанезнающая
@лизанезнающая
June 2022
2
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Решите уравнение!
х^2 + 18х - 63=0
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1000FORMSofFEAR
D = 18^2 + 4*63 = 576
X1 = -24-18/2 = -21
X2 = 24-18/2 = 3
Ответ: -21, 3
8 votes
Thanks 7
danulpopov
D = 18 * 18 + 4*63 = 576
x1 = (-18 + 24)/2 =
3
x2 = (-18 - 24)/2 =
-21
4 votes
Thanks 5
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Answers & Comments
X1 = -24-18/2 = -21
X2 = 24-18/2 = 3
Ответ: -21, 3
x1 = (-18 + 24)/2 = 3
x2 = (-18 - 24)/2 = -21