Предмет: Алгебра, автор: anastasi1661

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Автор ответа: IronDonDon
0
-48 - 14х = х в квадрате
- х в квадрате - 14х - 48= 0
х в квадрате + 14х + 48= 0
D= (14) в квадрате - 4умножить на 48= 4
х= - 14 +- 2 : 2
х1= -6          х2= -8
ответ: -8
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