Предмет: Математика, автор: 78974

найдите значения переменной х, при которых значения дробей (Х-4)/2 и (10+2х)/х равны. Помогите, пожалуйста

Ответы

Автор ответа: Evgenia4836

ОДЗ x≠0

(x-4)/2=(10+2x)/x

x(x-4)=2(10+2x)

x²-4x=20+4x

x²-8x-20=0

D= 64+80= 144

x1= (8+12)/2= 10

x2= (8-12)/2= -2

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