College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter P - Prerequisites: Fundamental Concepts of Algebra - Exercise Set P.4: 44

Answer

$9x^2+12x+4$

Work Step by Step

$$(3x+2)^2$$ $$=(3x+2)(3x+2)$$ $$=(3x\times 3x)+(3x\times 2)+(2\times 3x)+(2\times 2)$$ $$=9x^2+6x+6x+4$$ $$=9x^2+12x+4$$
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