Answer
$$-12x^3+21x^2+6x. $$
Work Step by Step
By multiplying each term of the polynomial by the monomial, and then adding the products, we have
$$-3x(4x^2-7x-2)=-3x(4x^2)-3x(-7x)-3x(-2).\\
=-12x^3+21x^2+6x. $$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
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: 11
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