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: 20



Work Step by Step

$$(x+8)(x+5)$$ $$=(x\times x)+(x\times 5)+(8\times x)+(8\times 5)$$ $$=x^2+5x+8x+40$$ $$=x^2+13x+40$$
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