Предмет: Алгебра, автор: Lulupui

Упростите выражение (4а + 3)² - (2a + 1)(4a - 3).
дам 15 баллов

Ответы

Автор ответа: taktolek
0

Ответ:

ответ находится на фотографии

Приложения:

Lulupui: Мне нужно решение а не только ответ
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ПОМОГИТЕ ПОЖАЛУЙСТА
Выберите правильный модальный глагол, обращая внимание на значение модальных глаголов выражать уверенность и неуверенность, упрек, вероятность, возможность

1. Alice can’t ride well. She must have had / could have had little practice.
2. Carrie expects them today. They mustn’t have gone / can’t have gone to a show.
3. Can they have forgotten / may they have forgotten about the party?
4. I don’t know where they are. They can be / may be on holiday in Switzerland. They can be skiing /
may be skiing there.
5. It’s so hot. The ice-cream should have melted / must have melted.
6. You are so slow. You may have decide / might have decided what to do.
7. He can’t be staying / mustn’t be staying at this hotel.
8. May he be studying / Can he be studying Geography? He doesn’t seem to be interested in it.
9. That’s a terrible colour. You must have painted / should have painted it green.
10. I could do it. You needn’t have bothered / mustn’t have bothered.
11. They should have got acquainted / may have got acquainted when Alice was on holiday.
12. They are great friends. They can’t have quarreled / may have quarrelled.
13. It’s 8 o’clock. He must have arrived / had to arrive at the airport.
14. He looks unhappy. He must have got hurt / should have got hurt.
15. He was rude and I should have made / had to make him leave. — You were right.