Answer
$h(h^2+4)(7h-4)$
Work Step by Step
$7h^4-4h^3+28h^2-16h$
$=(7h^4+28h^2)-(4h^3+16h)$
$=7h^2(h^2+4)-4h(h^2+4)$
$=(h^2+4)(7h^2-4h)$
$=h(h^2+4)(7h-4)$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 8 - Polynomials and Factoring - Chapter Test - Page 539: 21
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