## Finite Math and Applied Calculus (6th Edition)

Published by Brooks Cole

# Chapter 0 - Section 0.3 - Multiplying and Factoring Algebraic Expressions - Exercises: 13

#### Answer

$4x^{2} -9$

#### Work Step by Step

(2x-3)(2x+3) 1. Square the first term. $(2x)^{2} = 4x^{2}$ 2. Multiply the first term and second term together. $(-3)(3) = -9$ 3. Add your answers from steps 1-2 to get $4x^{2} -9$.

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