Предмет: Алгебра, автор: sashaguseynov

решите уравнение
$- \frac{1}{5} x {}^{2} + 20 = 0$

Ответы

Автор ответа: Аноним

-1/5х² + 20 = 0
-1/5х² = -20
х² = 20 ÷ 1/5 = 20 × 5
х² = 100
х = ± 10.
Ответ : х = ± 10.

Удачи))))

sashaguseynov: Спаcибо большое!!!

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