Перейти к выбору ответа 02.04.2022Разложите на множители: 2x в 3 степени + x во 2 степени — 2x-1 Выбрать другой вопрос Смотреть ответ Перейти к выбору ответа Алгебра Вопрос школьника по предмету Алгебра Разложите на множители: 2x в 3 степени + x во 2 степени — 2x-1 Ответ учителя по предмету Алгебра 2x³+х²-2х-1= (2х+1)(х-1)(х+1)
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1. I (live) in Moscow before I (go) to St. Petersburg. 2. He (lose) the key of his house and now he has to climb through the window. 3. Shakespeare (write) a lot of plays. 4. I (not see) him for three years. I wonder where he is. 5. You (close) the door before leaving the house? 6. I can’t go out because I (not finish) my work yet. 7. I (do) this sort of work when I (be) in the army. 8. He (go) out ten minutes ago. 9. The newspaper (come)? Yes, Ann is reading it. 10. You (be) here before? – Yes, I (spend) my holidays here last year. – You (have) a good time? – No, it never (stop) raining. 11. The play just (begin). You are a little late. 12. You (have) breakfast already? – Yes, I (have) it at 8.00. 13. The concert (begin) at 2.30 and (last) for two hours. Everyone (enjoy) it very much