Предмет: Алгебра, автор: sargp

Найдите корни уравнения: (х-3)(х+3)=5х-13

Ответы

Автор ответа: wotrutest

0

x^2-9-5x+13=0
x^2-5x+4=0
D=25-16=9
x1=4
x2=1
Ответ:1;4

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