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Sasha242424
@Sasha242424
August 2022
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(2х+3)^2=(-х-7)^2 решите уравнение,напишите как,ответ и так знаю !
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tanyshik607
4х²+12х+9=х²+14х+49
4х²-х²+12х-14х+9-49=0
3х²-2х-40=0
Д=484 х=4, х=-3 1/3
ответ: 4, -3 1/3
2 votes
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Answers & Comments
4х²-х²+12х-14х+9-49=0
3х²-2х-40=0
Д=484 х=4, х=-3 1/3
ответ: 4, -3 1/3