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July 2022
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Найдите корень уравнения:
(2х+7)2 = (2х-1)2
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Alisko01
Использую формулы квадрата разности и суммы, преобразуем уравнение
4х2+28х+49=4х2-4х+1
32х=-48х
=-1,5
Ответ: х=-1,5
4 votes
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Answers & Comments
4х2+28х+49=4х2-4х+1
32х=-48х
=-1,5
Ответ: х=-1,5