Answer
$6x^2+13x+5$
Work Step by Step
$$(3x+5)(2x+1)$$ $$=(3x\times 2x)+(3x\times 1)+(5\times 2x)+(5\times 1)$$ $$=6x^2+3x+10x+5$$ $$=6x^2+13x+5$$
College Algebra (6th Edition)
by Blitzer, Robert F.
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: 23
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