What property should be initially applied to simplify the expression (4a + 4b) + (2b - c) + 5c?

Step-by-step explanation:

There is nothing special in the given expression.

first of all we can arrange the likes terms together to reduce the expression, and there is no need of parenthesis so we can write

4a+4b+2b-c+5c

=4a+4b+4c

taking 4 common we get

4 (a+b+c)