### Home > ACC6 > Chapter 6 Unit 6 > Lesson CC1: 6.2.1 > Problem 6-74

6-74.

Are the following expressions equivalent?

Substitute into both expressions.

Now substitute .

You can try other values for . It appears they are the same.

6-74.

Are the following expressions equivalent?

Substitute into both expressions.

Now substitute .

You can try other values for . It appears they are the same.