Question

10x в квадрате-x-60=0

Answer 1

$10 {x}^{2} - x - 60 = 0$
${x}^{2} - 0.1x - 6 = 0$
$x + y = - 0.1 \\ xy = - 6 \\ \\ x = - 2.4 \\ x = 2.5$
Ответ: -2,4; 2,5.