Предмет: Алгебра, автор: Cuecue

Срочно! Мне нужно. 10 баллов даю
Спростіть вираз:
5Х (2Х-3) - (6-Х) (7-2Х)

Ответы

Автор ответа: idotsa13
0

Відповідь:

Пояснення:

Не помістилося останнє фото, тому-
потрібно звести подібні доданки -15х і 19х=
8х(у 2 степені)+4х-42

Приложения:

sirengod: братан, сам делай, без фотомаза
Автор ответа: sirengod
1

Ответ:8х^2 + 4х - 42

Объяснение:

(10х^2-15х) - (42-12х-7х+2х^2) = 10х^2 - 15х - 42 + 19х - 2х^2 = 8х^2 + 4х - 42

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даю 50 балів​