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 - Page 61: 41



Work Step by Step

$$(x+2)^2$$ $$=(x+2)(x+2)$$ $$=(x\times x)+(x\times 2)+(2\times x)+(2\times 2)$$ $$=x^2+2x+2x+4$$ $$=x^2+4x+4$$
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