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artur94
@artur94
July 2022
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Решите уравнение
(4-x)(4+x)=x^2-2
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anastasiyastar3
16+4Х-4Х-Х^2=X^2-2
-2X^2=-2-16
X^2=9
X=+-3
0 votes
Thanks 4
Шифрон
(4-х)(4+х)=х²-2
16-х²=х²-2
-2х²=-18
х=3
0 votes
Thanks 4
Шифрон
точн
Шифрон
там +-3
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Answers & Comments
-2X^2=-2-16
X^2=9
X=+-3
16-х²=х²-2
-2х²=-18
х=3