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 226: 45

Answer

$12a^2-10a-12$

Work Step by Step

We multiply each term of the first polynomial by each term of the second polynomial. Then we add the products, as follows $$ (6a + 4)(2a - 3)= 6a (2a - 3)+ 4(2a - 3)\\ =12a^2-18a+8a-12=12a^2-10a-12 .$$
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