Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 5 - Section 5.5 - Multiplication of Polynomials - Exercise - Page 225: 26


$2.94 m^3+6.02mn^2$

Work Step by Step

By multiplying each term of the polynomial by the factor $1.28m$, and then adding the products, we have $$ 1.28m(2.3m^2 + 4.7n^2)=1.28m(2.3m^2) +1.28m( 4.7n^2)\\ =2.94 m^3+6.02mn^2 .\\ $$
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