Finite Math and Applied Calculus (6th Edition)

Published by Brooks Cole
ISBN 10: 1133607705
ISBN 13: 978-1-13360-770-0

Chapter 0 - Section 0.3 - Multiplying and Factoring Algebraic Expressions - Exercises - Page 21: 9


$4x^{2} -12x +9$

Work Step by Step

$(2x-3)^{2}$ 1. Square the first term inside the bracket. $(2x)^{2} = 4x^{2}$ 2. Multiply the first term and second term inside the bracket together. Then multiply this answer by 2. So $(2x)(-3)(2) = -12x$ 3. Square the last term inside the bracket. $(-3)^{2} = 9$ 4. Add all your answers from steps 1-4 to get $4x^{2} -12x +9$.
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