Предмет: Алгебра, автор: Astik1111111

Помогите Прошу Вас !!!!!!!!!

Приложения:

Ответы

Автор ответа: Johnny21
2
1)x³-x = 0
x(x²-1)=0
x = 0   
x²-1=0
x²=1
x = 1 x = -1
2)x⁴+x² = 0
   x²(x²+1) = 0
   x² = 0
   x  = 0
   x²+1 = 0
   x² ≠ -1
3)x⁴-8x³ = 0
x³(x-8) = 0
x³=0
x = 0
x-8=0
x=8
4)
Автор ответа: знание2002
1
Надеюсь все понятно
Приложения:
Похожие вопросы
Предмет: Английский язык, автор: sultonovismoiljon26
13 Getting a job Complete tha conversation with the correct words from the box advertisement application form career CV driving licence full-time) interview ofler organized part-tima qualifications references sense of humour skills starting salary stresslu temporary training course unemployed well-paid A: Is it a (13) Job? B: Yes. I work forty hours a week. A: Do you make good money? Is It (14) B: No, but I don't mind. I'm not doing it for the money. My (15) was really low but it went up after two months. A: Is it a permanent job or is it (16) B: Well, I've got a twelve-month contract. They might renew Ir after that. A: Do you And the work (17) B: No. It's hard work but the atmosphere is very relaxed. Anyway tell me about you. Are you sull (18) A: No, I've got a job at last, but it's only (19) - twenty hours a week. But they're sending me on a (20) next week to improve my computer skills and after that they may offer me more hours, A: Did you have to fill in on (1) application form to get your job? B: No. I saw an (2) in the newspaper for a job as a runner for a TV company and I wrote them a letter. I also sent them my (3) with details of my education and other work experience. In my letter 1 said that I had always wanted a in TV and was happy to start at the bottom. A: Were you nervous when you went for your (5) 2 B: Yes, I was a bit. But they were very friendly and gave me a coffee. A: What questions did they ask you? B: They asked if I had a clean (6) because I might have to do some driving. They also wanted to know about my computer (7) and I told them I knew Word and Excel A: Did you need any other (8) for the job? B: No. But I think you have to be well (9) for this kind of work, or you can't get everything done in time. And you also need a good (10) A: Really? B: Yes. Because sometimes, if you didn't laugh, you'd cry! A: Did they (11) you the job stralghtaway? B: No. They asked me for (12) They wanted the riame and address of my boss at my last company. And I also gave them the name of a woman I worked for in Italy.​