Предмет: Алгебра, автор: murka10111992

Решите уравнение 4х²-196=0

Ответы

Автор ответа: blackmday12

Объяснение:

$4 {x}^{2} - 196 = 0 \\ 4 {x}^{2} = 196 \\ {x}^{2} = 196 \div 4 \\ {x}^{2} = 49 \\ x = \sqrt{49} \\ x1 = 7 \\ x2 = - 7$

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