Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Appendix A - Review - A.3 Polynomials - A.3 Assess Your Understanding - Page A31: 75

Answer

$4x^2-12x+9$

Work Step by Step

We square (expand) the binomial to obtain: $$ (2x - 3)^2=(2x-3)(2x-3)=(2 x)^2+2\cdot (-3) \cdot 2 x+(-3)^2=4x^2-12x+9 .$$
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