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: 23



Work Step by Step

$$(3x+5)(2x+1)$$ $$=(3x\times 2x)+(3x\times 1)+(5\times 2x)+(5\times 1)$$ $$=6x^2+3x+10x+5$$ $$=6x^2+13x+5$$
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