Question

СРОЧНООО!!!
(6-5x)^2=1

Answer 1

Ответ:

1,4;1

Объяснение:

$36 + 25 {x}^{2} - 60x = 1 \\ 25 {x}^{2} - 60x + 35 = 0 \\ 5 {x}^{2} - 12x + 7 = 0 \\ d = 144 - 140 = 4 = {2}^{2} \\ x1 = \frac{12 + 2}{10} = 1.4 \\ x2 = \frac{12 - 2}{10} = 1$