Предмет: Алгебра, автор: м1м1

Разложить на множители.  с-16с^3

Ответы

Автор ответа: tot0123
0

  с-16с^3=c(1-16c^2)=c(1-4c)(1+4c)

вот и все!

Автор ответа: SweEtReveNgee
0

=c(1-16c^2)=c(1-4c)(1+4c)

Похожие вопросы
Предмет: История, автор: 2283354548danil
Предмет: Английский язык, автор: diana99999999
Example: We eat in the dining room.
A bathroom ■ B bedroom ■
C dining room ■✓
1 My mother’s brother is my uncle.
A grandfather ■ B nephew ■ C uncle ■ ✓
2 My sister works in an office. She’s a ________.
A receptionist ■ B musician ■
C builder ■
3 I don’t see Pete very much, but we often ________at
weekends.
A download ■ B skype ■ C search ■
4 Can I pay by credit ____, please?
A ticket ■ B money ■ C card ■
5 I work with sick animals. I’m a ________.
A lawyer ■ B politician ■ C vet ■
6 I got your email but I couldn’t open the ________.
A wifi ■ B attachment ■ C internet ■
7 My father’s a ________. He flies all over the world.
A pilot ■ B builder ■ C nurse ■
8 I need some ________ for this letter, please.
A stamps ■ B keys ■ C coins ■
9 My brother’s daughter is my ________.
A granddaughter ■ B sister ■ C niece ■
10 You can buy food at a ________.
A bank ■ B market ■
C post office ■
6 What is the next word?
Example: one, two, three
1 Wednesday, Thursday, ________
2 twenty, thirty, ________
3 July, August, ________
4 summer, autumn, ________
5 third, fourth, ________
6 eight hundred, nine hundred, ________
7 Complete the words in the sentences.
Example: She walks to work every day.
1 The opposite of tall is s________.
2 If you break your leg you have to go to h________.
3 Marc’s a c________. He works in a French restaurant.
4 I need to cut some paper. Do you have any s________?
5 A c________ is a place where you can buy medicine.
6 I don’t read books but I like reading m________ and
newspapers.
7 Can I see your i________ card, please?
8 Do you want to c________ a taxi?
9 I didn’t t________ off my phone and it rang in the
lesson!
10 She often t________ by plane.
11 I usually m________ dinner at 8.00.
12 I d________ a Volkswagen.
13 I always w________ up early.
14 Your son’s daughter is your g________.
PRONUNCIATION
8 Match the words with the same sounds.
slow piece friend spell door breakfast
said tissue spoke thought juice people
Example: red friend said
teacher 1 ________ 2 ________
wall 3 ________ 4 ________
shoe 5 ________ 6 ________
open 7 ________ 8 ________
red 9 ________ 10 ________
10
9 Underline the stressed syllable.
Example: co|ffee
1 o|ppo|site 6 to|ma|toes
2 su|per|mar|ket 7 beau|ti|ful
3 vege|ta|bles 8 cho|colate
4 en|gi|neer 9 be|hind
5 heal|thy 10 un|der|stand
READING 1 Read the text and tick (✓) A, B, or C.
Example: Vancouver is bigger than all the other
Canadian cities.
A True ■ B False ■✓ C Doesn’t say ■
1 Two thousand, six hundred people live in the south
west of Canada.
A True ■ B False ■ C Doesn’t say ■
2 A study says that Vancouver is the best place for a
city holiday.
A True ■ B False ■ C Doesn’t say ■
3 Jacob was born in Vancouver.
A True ■ B False ■ C Doesn’t say ■
4 There are some mountains between Vancouver and
the ocean.
A True ■ B False ■ C Doesn’t say ■
5 It often rains in summer in Vancouver.
A True ■ B False ■ C Doesn’t say ■
6 Jacob has a big garden.
A True ■ B False ■ C Doesn’t say ■
7 He lives an hour away from the nearest park.
A True ■ B False ■ C Doesn’t say ■
8 He never walks in the streets at night.
A True ■ B False ■ C Doesn’t say ■
9 Jacob can speak a lot of foreign languages.
A True ■ B False ■ C Doesn’t say ■
10 He has been to Italy on holiday.
A True ■ B False ■ C Doesn’t say ■ 4 There are some mountains between Vancouver and
the ocean.
A True ■ B False ■ C Doesn’t say ■
5 It often rains in summer in Vancouver.
A True ■ B False ■ C Doesn’t say ■
6 Jacob has a big garden.
A True ■ B False ■ C Doesn’t say ■
7 He lives an hour away from the nearest park.
A True ■ B False ■ C Doesn’t say ■
8 He never walks in the streets at night.
A True ■ B False ■ C Doesn’t say ■
9 Jacob can speak a lot of foreign languages.
A True ■ B False ■ C Doesn’t say ■
10 He has been to Italy on holiday.
A True ■ B False ■ C Doesn’t say ■
2 Now read the text again and answer the questions.
1 How often does the study happen?
___________________________________________
2 Where has Jacob travelled to for his work?
___________________________________________
3 What are the winters like in Vancouver?
___________________________________________
4 Are there many parks in Vancouver?
___________________________________________
5 What does Jacob like best about Vancouver?
___________________________________________
WRITING
Answer the questions. Write 25–35 words for each
question.
1 What did you do last weekend?
2 What is there for tourists to do in your town or city?
3 Describe a good friend of yours.
LISTENING
1 Listen to the conversation. Tick (✓) A, B, or C.
1 The man is _______.
A going to work ■ B going home ■
C going to see a friend ■
2 The time now is ________.
A 4.45 ■ B 5.15 ■ C 5.45 ■
3 At the moment, the woman is doing a course in
________.
A teaching ■ B Japanese ■
C healthcare ■
4 The man has ________ Japan.
A lived in ■ B travelled to ■
C worked in ■
5 The man would like ________.
A a coffee and a snack ■ B a tea and a snack ■
C a snack only ■​