(u-4)(u+1)+(u^2-u+1)(u+1) преобразуйте в многочлен

Помогите, пожалуйста!

Вставить пропущенные местоимения в предложениях

Местоимения: anyone, both, each, every, lots of, nothing, much, someone, something/

1)She works hard, doesn't make_____ money, I don't think money is important to Reggie.

2)You should find _____ who has dealt with her.

3)Her dress was straight and black and she wore black and gold bracelets on ____ arms/

4) She will never tell ____ what Mark tells her.

5)She wrote ___ in her notebook.

6) Reggie and Clint began ___ morning with a quiet cup of coffee as they planned the day and talked about the mail.

7)She had money once, ____ it, and it had brought_____ but unhappiness.

что такое тепловое движение? какое оно бывает?

(3a+p)(3a-p)+p^2 Решите пожалуйста!

разлжите на множетели трёхчлен

-21х2+х+2