Question

Решите уравнение
0,04x²-1=0​

Answer 1

Ответ:

$0.04 {x}^{2} - 1 = 0 \ {x}^{2} - 25 = 0 \ (x - 5)(x + 5) = 0 \ x - 5 = 0 : : x = 5 \ x + 5 = 0 : : x = - 5$