Bài : Thực hiện phép tính a) 12x ³ - 28x ² + 21x - 5) : (6x - 5) - (2x ² - 4x) b) ($\frac{x+1}{x-3}$ + $\frac{5x-39}{x^2-9}$ - $\frac{11}{x+3}$) : $\frac{x^2+2x+1}{2x+6}$ Mong m.n giúp ạ, tối e nộp gấp!!

Giúp mik giải nhà mik lm sai r

Giúp mình với. ~~ Bài đầu phải giải thích.

Rewrite each of the following sentences in another way so that it means almost the same as the sentence printed before it. 1. He was admitted to the university although his gradens were bad. - Despite 2. "Don't play your drums all day!" My mother told me. - My mother told me 3. If John doesn't leave now, he will miss the bus. - Unless 4. It's so difficult for me to concentrate when people are talking so loudly. - I find

ai viết hộ mik cái script về: describe a person in your family

Bài chia động từ trong ngoặc và đặt câu hỏi cho phần gạch dưới . Bạn nhớ. Mình cảm ơn

Use the correct from of the word given in each sentence 1. They have to aground the fence to the _____ at the back (enter) 2. To conserve resources, please _______ these carrier bags. (Use) 3. The best way to prevent and slow down ________ is being well informed about COVID-19, the symptoms it causes and how it spreads. 4. Both company managers put their _________ at the bottom of the document. (Sign) 5. The dentist said that it wouldn't hurt, and she was right-it was completely _________. (Pain)

Mn ơi giải giúp mik vs ạ Mik sẽ vote 5 sao

Giúp em với ạ câu nào cũng được miễn là ghi được rõ bước giải ra giùm em

Đề bài: change thế sentences into the passive voice; bài về câu chủ động bị động ạ