Предмет: Алгебра, автор: Аноним

4.Спростіть вираз: (3 + х)(3 -х) + х2. 5.Розв'яжіть рівняння: (х - 5)(х + 1) = х2 - 13. 6. Доведіть, що значення виразу х(4х2 – 3) + х2(6 – х) – 3(х3 + 2х2 – х – 8) не залежить від значення х.

dariasiman27: 4. (3+x)(3-x)+x•2

Ответы

Автор ответа: bangchan1

1

Тільки 4 бо все інше хз чесно

Приложения:

Автор ответа: dariasiman27

1

Відповідь:

скачайте фотомес

Пояснення:

у 6 не знаю, але є рішення виразу

Приложения:

Предыдущий вопрос

Следующий вопрос

Интересные вопросы

Предмет: Українська мова, автор: marki1809111

11. Усі іменники в орудному відмінку однини мають закінчення -ею (-єю) в рядку
А пуща, дорога, скатертина, груша
Б яблуня, стежка, тиша, мелодія
В історія, гуща, круча, вежа
Г тисяча, праця, рука, пісня

1 год назад

Предмет: Английский язык, автор: aoagyys

V Vocabulary builder
Complete the text using the words and phrases in the box.
aid campaign • donation • charity foundation • fundraising • non-profit • philanthropy • sponsorship
.
.
.
.
.
set up by his friend. He always
organisation, that is one which is not operating for
When Bolat moved to Almaty, he started to help in a (1),
wanted to be a part of some kind of (2).
money, so that was a perfect opportunity for him. His first task was to organise a social (3).
promoting healthy lifestyle as a way of preventing heart diseases. He thought it would be a good idea
not only to talk about eating healthily and exercising, but also to raise people's awareness as for the
methods of giving first (4)_
to someone having a heart attack. It appeared to be a very good
concept, and he managed to find companies which offered their (5).
encouraged some private people to give (6).
very quickly. He also
for the cause. He was very happy to achieve
and collecting money would be the most difficult part of the job.
is not
that, as he thought that (7)_
In fact, he realised that there are a lot of people, who want to help others and that (8).
an old-fashioned concept.ПОМОГИТЕ ПЛЗЗ

1 год назад

Предмет: Українська мова, автор: marinadacenko

Чи сприяло утворення першого національного війська УСС ідеям соборності України?

1 год назад

Предмет: Английский язык, автор: rahimovas158

1. When I (call) at his house , they (say) me that he (leave) an hour ago.
2. When I come in I noticed that somebody (leave) his umbrella in the room.
3. After we (clear) the ground, we set up the first of the tents.
4. I knew all along that we (take) the wrong road.
5. They (stop) where the road was wide and (wait) till the other car (pass).
6. When I (come) to see my friend, I (find) him lying in bed.
7. My watch (go) at nine o’clock, but not it (stop).
8. What you (do) since I (see) you last.
9. When you (come) I (work) at my English for half an hour.
10. Next year he (live) in our village ten years.

7 лет назад

Предмет: Английский язык, автор: grigorenkoefoxy

1 A: How much material do you need?
B: Well, I need ............................... for one large
curtain. Say about 5 metres. (material)
2 A: Why are Bill and Ellen moving?
B: Now that they have two children, their flat is
............................................ for them. (small)
3 A: How about making an omelette?
B: I don’t think there are .....................................
in the fridge to make an omelette. (eggs)
4 A: Did you visit Disneyland when you were in
Paris?
B: No. Unfortunately it was .................................
................ from where we were staying. (far)
5 A: How did the interview for the job go?
B: Not very well. They said that I don’t type ......
.................................... for the position. (fast)
6 A: Let’s go on a picnic!
B: Isn’t it ................................................. outside
to go on a picnic? (cold)
7 A: Why are you going to the library?
B: It’s not ................................................. in here
for me to study for tomorrow’s exam. (quiet)
8 A: Was Matthew able to take the six o’clock train
to Berlin?
B: No. He didn’t wake up ...................................
to catch it. (early)
9 A: Mum, do you know where my favourite jeans
are?
B: They are still in the clothes basket. I didn’t
have ................................................ to do the
washing. (washing powder)
10 A: Did Diana pass the course?
B: Unfortunately, she didn’t do ...........................
in the final exam to pass the course. (well)

7 лет назад