Предмет: Алгебра, автор: petrenkoevgenia44

(x+5)²-(x-4)(x+4)-(x-3)(x+7)
даю 30 баллов​

Ответы

Автор ответа: vikakitaki0
0

Ответ:

(x+5)^2-(x-4)(x+4)+(x-3)(x+7) =x^2+10x+25-x^2-16+x^2+7x-3x-21=x^2+14x-12

Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Английский язык, автор: azimbaevakarina2008
mmative assessment for the term II Grade 10 Variant 2 Listening. Task 1. You will hear six people talking in six different situations. For questions 1-6, choose the best answer A, B or C. 1 3 2 of farming? 4 5 You hear a girl talking to her friend. Why does she want to return the dress? A It doesn't look good with her shoes. B It's the wrong size. C 6 She has found something else. You hear part of a documentary about skyscraper farms. How does the presenter feel about this kind He believes it is an excellent way to grow crops. He feels it is unnatural to grow fresh produce indoors. He thinks it would be an extremely risky solution. You hear a woman talking to customer services. What is her reason for calling? A B C A B C She has changed her mind Her goods haven't arrived. She received the wrong item. You hear a news report about a new clothing line. What is the reporter describing? A B C The features of the clothing line. The popularity of the clothing line. The history of the clothing line. You hear a conversation between two friends. What does Jane decide to buy? A. gloves B. a hat C. a scarf You hear a fashion designer talking on the radio. What is the designer's main focus at the moment? A. quality C. style B. ethics \6 points\​
10 месяцев назад
Предмет: Биология, автор: veronika10000000
Помогите пожалуйста сроооочно
10 месяцев назад
Предмет: Физика, автор: yankaponyes
как отличается тормозной путь на скользкой дороге от обыкновенной дороги? Как можно избежать аварийной ситуации?
помогите пожалуйста ​
10 месяцев назад
Предмет: Русский язык, автор: daryabelova26
Unde se adună toatei rudele? Cum este la bunici?
6 лет назад
Предмет: Литература, автор: Darknessstaspan2006
жизнь и творчество Арифа Тохташа
6 лет назад