Предмет: Математика, автор: Itsme008

Розкрийте дужки :(3а-4b+2) (–10)
- 30а- 40b -20
-30a-4b+2
-30a+40b -20​

s1051966: :(3а-4b+2) (–10)
- 30а- 40b -20=
s1051966: это все одно выражение или каждая строчка выражение?
s1051966: у тебя нет разделения между выражениями
Itsme008: это варианты

Ответы

Автор ответа: s1051966
1

Ответ:

:(3а-4b+2) (–10)=-30a+40b -20

Itsme008: можешь пожалуйста помочь и со вторым вопросом?
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