Предмет: Алгебра, автор: Аноним

1. Разложить на множители:
а) 9х²-16у²=
б) (5а+2в)(5а-2в)=
Помогите пж

Ответы

Автор ответа: lalakuQQ

1

Объяснение:

а) (3х-4у)(3х+4у)

б) 25а²-4в²

Аноним: Это правильно?

lalakuQQ: да

lalakuQQ: эт формулы сокращенного умножения

Аноним: Если нет то всеравно спс за старание

Аноним: Спасибо

Аноним: Правильно можешь ответить на это

Аноним: 2. Раскрыть скобки:
а) (3а-2)²=
б) (2+7в)²=

Аноним: Я эту тему не понял вобше

lalakuQQ: 9а²-12а+4

lalakuQQ: 4+28в+49в²

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