Предмет: Алгебра, автор: AlEl1

помогитеее, пожалуйста))))

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Автор ответа: sedinalana

хд в час 1,время 224/хч
х-2д в час 2,время 224/(х-2)ч
224/(х-2)-224/х=2
2х(х-2)-224(х-х+2)=0
2х²-4х-448=0
х²-2х-22²=0х1+х2=2 и х1*х2=-224
х1=-14 не удов усл
х2=16
16-2=14 деталей за час делает 2 рабочий

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