Предмет: Алгебра, автор: nurmuhammedovmuhamma

(a+b)^2-(b+c)^2 помоги ​

Ответы

Автор ответа: pepepe3434
0

Ответ:

2ab−2bc−c^2+a^2

Объяснение:

a^2+2ab+b^2−(b^2+2bc+c^2)

a^2+2ab+b^2−b^2-2bc-c^2

a^2+2ab−2bc−c^2

2ab−2bc−c^2+a^2

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