Question

Розкрити дужки -a(-c-7);​

Answer 1

Ответ:ас+7а

----------------

Answer 2

Ответ:ac+7a

Пошаговое объяснение:

-a×(-c)-a×(-7) = ac+7a

Answer 3

To expand the expression -a(-c-7), you can use the distributive property, which states that for any real numbers a, b, and c:

a(b + c) = ab + ac

So, applying this property to the given expression:

-a(-c-7) = -1 * (-c) - (-1 * 7) = c + 7

Thus, the expanded form of -a(-c-7) is c + 7.