Предмет: Алгебра, автор: Aruca000

Упростите выражение а²+(2-а)(а+5) Помогите

Ответы

Автор ответа: SweetyChieftain

Відповідь:

-3a+10

Пояснення:

$a^{2}$ +2a+10- $a^{2}$ -5a

2a+10-5a

-3a+10

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