Question

Срочно нужен ответ, с решением

Answer 1

$x{2} - 5x = 3 - {x}^{2} \ {x}^{2} - 5x - 3 + {x}^{2} = 0 \ 2 {x}^{2} - 5x - 3 = 0 \ d = 25 + 24 = 49 \ times = frac{5 + 7}{4} = 3 \ times = frac{5 - 7}{4} = - 0.5$