Question

РЕШИТЕ СИСТЕМУ УРАВНЕНИЙ СРОЧНО )))))))
100y-y²=2400

Answer 1

-y² + 100y- 2400 = 0 l * -1
y²-100y+2400 = 0
По теореме Виета:

$left { {{y1+y2=-b} atop {y1*y2=c}} right. left { {{y1+y2=100} atop {y1*y2=2400}} right. left { {{y1=60} atop {y2=40}} right.$

Ответ: 40 ; 60