Предмет: Алгебра, автор: Angel1248

Помомгите 20 баллов Алгебра 7 класс

Приложения:

Ответы

Автор ответа: Sasha666grinch

1

3(2х-1)+12х

3(4х²-4х+1)+12х

12х²-12х+3+12х

12х²+3

Ещё можно вынести три за скобки, но Хз нужно ли оно тебе

3(4х²+1)

Автор ответа: Ilyazov45

1

Ответ:

$12x^{2} +3$

Объяснение:

$3(2x-1)^{2} +12x=3(4x^{2}-4x+1)+12x=12x^{2} -12x+3+12x=12x^{2} +3$

Приложения:

Angel1248: Спасибо за решение и таблицу)

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