### Home > CCA2 > Chapter 6 > Lesson 6.1.5 > Problem 6-74

6-74.

Simplify each expression in parts (a) through (c) below. Then complete part (d).

Distribute the

to both terms in the parentheses ( ).

Then simplify.What expression would go in the box to make the equation

true? See the previous parts of this problem for clues.