Answer
$4a^2-14a-30$
Work Step by Step
We multiply each term of the first polynomial by each term of the second polynomial as follows:
$$
(4a + 6)(a - 5)= 4a (a - 5)+ 6(a - 5)\\
=4a^2-20a+6a-30\\
=4a^2-14a-30
.$$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 5 - Test - Page 232: 12
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