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Автор - vanoshkololo

(x-9)²=(x-3)²
решите уравнение

Ответ

Проверено экспертом

Автор - Senpoliya
(x - 9)² = (x - 3)²
x² - 18x + 81 = x² - 6x + 9
-12х = -72
х = 6

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