Предмет: Математика, автор: ocharovashkai

Помогите решить
2(b+1)^2-4b=
Объясните как решать

Ответы

Автор ответа: HIPM
0
[Решение в приложении]
Приложения:
Автор ответа: ocharovashkai
0
Объясните как вы решили
Автор ответа: HIPM
0
Что тут объяснять
Автор ответа: HIPM
0
по ФСУ раскрыли скобку в квадрате и умножили на 2, привели подобные слагаемые
Автор ответа: ocharovashkai
0
Спасибо большое
Автор ответа: HIPM
0
(a ± b)² = a² ± 2ab + b²
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