Answer
$w^3+8w^2+15w$.
Work Step by Step
The given expression is
$=(w+5)(w^2+3w)$
Use the FOIL method.
$=w(w^2)+w(3w)+5(w^2)+5(3w)$
Multiply.
$=w^3+3w^2+5w^2+15w$
Combine like terms.
$=w^3+8w^2+15w$
Hence, the product is $w^3+8w^2+15w$.
Big Ideas Math - Algebra 1, A Common Core Curriculum
by Larson, Ron; Boswell, Laurie
Published by
Big Ideas Learning LLC
ISBN 10:
978-1-60840-838-2
ISBN 13:
978-1-60840-838-2
Chapter 7 - Polynomial Equations and Factoring - 7.2 - Multiplying Polynomials - Exercises - Page 369: 29
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