Предмет: Алгебра, автор: djebcut

Упростите выражение 26-а^2-(5-а)^2

Ответы

Автор ответа: byunkatee

5

Ответ: -2a²+10a+1

Объяснение: 26-a²-(25-10a+a²)=26-a²-24+10a-a²=1-2a²+10a

Автор ответа: ElbortGames

3

Ответ:

-2a² + 10a + 1

Объяснение:

26 - a² - (5 - a)²

26 - a² - (25 - 10a + a²)

26 - a² - 25 + 10a - a²

1 - 2a² + 10a

-2a² + 10a + 1

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