### Home > PC > Chapter 1 > Lesson 1.1.2 > Problem 1-25

1-25.

In general, why does (3*x* + 2)^{2} ≠ 9*x*^{2} + 4? Find the correct expansion. Homework Help ✎

Complete the generic rectangle below and simplify. What is missing?

The equation will be true if *x* is a certain value. What is that value?