Предмет: Математика, автор: anqelika333p1ci88

Ответ:2, расписать решение ,пожалуйста.)

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Автор ответа: ObRA3OBAHHbIUz0JIEHb
0
x^2=10x-16
Переносим все в левую строну, справа станет 0 и не забудем изменить знак!:
x^2-10x+16=0,
Видим, уравнение квадратное.
Найдём дискриминант:
D=b^2-4ac;
D=10^-4*16=100-64=36=6^
Найдём корни: их два:
x=(-b+-корень из D)/2a
x1=(10+6)/2=8
x2=(10-6)/2=2
Ответ: 2; 8
Автор ответа: ObRA3OBAHHbIUz0JIEHb
0
Как видишь, ответа 2. И 8 по проверке (подстановке) подходит:)
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