### Home > A2C > Chapter 7 > Lesson 7.1.5 > Problem 7-74

7-74.

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.