Предмет: Математика, автор: anastasakiasko

Пожалуйста срочно помогите:спростити вираз 5а(а-1)+(а-2)(а+2)+5а

Ответы

Автор ответа: viktorplitchuk

1

Ответ:

6а²-4

Пошаговое объяснение:

5а²-5а+а²-4+5а=6а²-4

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