Предмет: Математика, автор: npprroooo

3x(x-5)-5x(x+3) решите срочно

Ответы

Автор ответа: tetamotatetyamotya

1

Ответ: вот

Пошаговое объяснение:

3x(x-5)-5x(x+3)=

3x²-15x-5x²-15x=

-2x²-30x

Предыдущий вопрос

Следующий вопрос

Интересные вопросы

Предмет: Русский язык, автор: фиксик0

СРОЧНО словосочетание со словом нечисть

2 года назад

Предмет: Английский язык, автор: AnetGrey

Put the verbs in the correct tenses.
1. What you (do) at about 9 o'clock tonight? I don't know yet. Propably I (watch) television.
2. What you (think) about? - My brother. I often (think) about him these days.
3. When I (be) younger I (prefer) bananas to all fruits but now I (eat) only citroes fruits.
4. Yesterday eveninng when my sister and I (do) our homework the telephone (ring).
I (answer) it and (hear) a strange voice.
5. Could you give me a lift? Not today, I (not drive) I (go) by bus. Sorry.
6.Tomorrow after classes John (work) in the library after classes. He (prepare) for his exams.
7. -You (fly) to the sea or (go) by train? -I (fly); my flight id tomorrow morning .
8. -Whom you (talk) to when I (meet) you in the shop? - To my friend. We (do) shopping together .
9 - How can I get to the station ? - I (take) you in my car. I (go) to the station myself .
10. Usually Mary(not make) mistakes in her spelling, but yesterday she (do) the spelling test rather badly. I hope she (learn) the new worlds now.
11. They (walk) in silence for a long time and then Ben (turn) to Johnny and (smile), "Why you never (tell) me about family?" he (ask).
12. If someone (call), tell them I (be) free after seven

2 года назад

Предмет: Русский язык, автор: marinavoronina2

ПОМОГИТЕ ПОЖАЛУЙСТА СКОЛЬКО В ЭТИХ СЛОВАХ звуков Д и буквД ВОДА ДРУГ ЗАРЯДКА ВИНОГРАД ПОЗДНИЙ ВЫДРА

2 года назад

Предмет: Геометрия, автор: mcpinkiepie

срочно решите даю 10 баллов !

8 лет назад

Предмет: Математика, автор: mariagrigoryan3

помогите с геометрией.... очень прошу

8 лет назад