Answer
$$-28x^3-12xy+8x^2y . $$
Work Step by Step
By multiplying each term of the polynomial by the monomial, and then adding the products, we have
$$4x(-7x^2-3y+2xy)=4x(-7x^2)+4x(-3y)+4x(2xy)\\
=-28x^3-12xy+8x^2y . $$
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: 13
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