Answer
10x$^7$-5x$^4$+8x$^3$-4
Work Step by Step
(5x$^4$+4)(2x$^3$-1)
5x$^4$(2x$^3$)+5x$^4$(-1)+4(2x$^3$)+4(-1)
10x$^7$-5x$^4$+8x$^3$-4
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-805-X
ISBN 13:
978-0-13417-805-9
Chapter 5 - Mid-Chapter Check Point - Page 378: 19
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