Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter P - Section P.4 - Polynomials - Exercise Set - Page 56: 59

Answer

$7x^2+38xy+15y^2$

Work Step by Step

Evaluate the product using FOIL as $(x+5y)(7x+3y)=7x^2+3xy+35xy+15y^2=7x^2+38xy+15y^2$
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