Предмет: Алгебра, автор: SuperPuperVasya

Помогите пж!!! Даю 15 баллов!
Упрастите уравнения:
1) (1 - x) × (1 + x) + (x + 1)^2
2) (2a + 3) × (a - 3) - 2a(4 + a)

ЗЫ. Пишите не сразу ответ, а пропишите как решали (действия)

Ответы

Автор ответа: tatsach
1

Ответ:

Объяснение:

........

Приложения:
aveasaanil: здравствуйте можете мне пожалуйста помочь с алгеброй мне очень нужно пожалуйста
aveasaanil: заметьте
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