Предмет: Алгебра, автор: den5110

Одне число на 1 більше другого, їхній добуток 20. Знайдіть ці числа

Ответы

Автор ответа: artennvey2

0

Відповідь:х*(х+1)-20
х^2-x-20=0
x1=4
x2=5

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