Предмет: Алгебра, автор: artur94

Решите уравнение
(4-x)(4+x)=x^2-2

Ответы

Автор ответа: anastasiyastar3
0
16+4Х-4Х-Х^2=X^2-2
-2X^2=-2-16
X^2=9
X=+-3
Автор ответа: Шифрон
0
(4-х)(4+х)=х²-2
16-х²=х²-2
-2х²=-18
х=3
Автор ответа: Шифрон
0
точн
Автор ответа: Шифрон
0
там +-3
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