Предмет: Алгебра, автор: aqijwt

решите уравнение:
x^2+7x=0

Ответы

Автор ответа: boss9800
131
x^2+7x=0
x(x+7)=0
x=0 и x+7=0
          x=-7
Автор ответа: gnev16
59
х^2+7х=0
х (х+7)=0
х1=0 или х+7=0
х2=-7
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помогите пожалуйста
Прочитайте приведённые ниже тексты. Преобразуйте, если необходимо,
слова,
напечатанные заглавными буквами в конце строк, обозначенных номерами
1-7,
так, чтобы они грамматически соответствовали содержанию текстов.
Заполните пропуски полученными словами. Каждый пропуск соответствует
отдельному заданию из группы 1-7

Henry’s best friend

Henry’s best friend Stan had moved to another town during the previous
school year. Henry missed his friend, but h e (1)______________________
HAVE
a birthday party soon and he hoped that Stan would be able to make it.
The party was set for the following weekend. Henry (2)__________________
SEND
Stan an email several days earlier, but he wasn’t sure if Stan’s computer
was up and running yet, and Stan wasn’t always the best at returning
emails.

Nonetheless, Henry had a good feeling about seeing his friend.
After the party had been going for about an hour, Henry saw Stan walk
through the door. ‘I knew you
(3) COME
_____________________ !’ Henry said, and gave his friend a hug.Прочитайте приведённые ниже тексты. Преобразуйте, если необходимо,
слова,
напечатанные заглавными буквами в конце строк, обозначенных номерами
1-7,
так, чтобы они грамматически соответствовали содержанию текстов.
Заполните пропуски полученными словами. Каждый пропуск соответствует
отдельному заданию из группы 1-7

Henry’s best friend

Henry’s best friend Stan had moved to another town during the previous
school year. Henry missed his friend, but h e (1)______________________
HAVE
a birthday party soon and he hoped that Stan would be able to make it.
The party was set for the following weekend. Henry (2)__________________
SEND
Stan an email several days earlier, but he wasn’t sure if Stan’s computer
was up and running yet, and Stan wasn’t always the best at returning
emails.

Nonetheless, Henry had a good feeling about seeing his friend.
After the party had been going for about an hour, Henry saw Stan walk
through the door. ‘I knew you
(3) COME
_____________________ !’ Henry said, and gave his friend a hug.