Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 3 - Exponents, Polynomials and Functions - Chapter Review Exercises: 20

Answer

$25x^{2}-30x+9$

Work Step by Step

$(5x-3)^{2}$ $=(5x-3)(5x-3)$ $=5x(5x-3)-3(5x-3)$ $=25x^{2}-15x-15x+9$ $=25x^{2}-30x+9$
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