Answer
4x$y^{3}$(x$y^{2}$ - 2)
Work Step by Step
The answer the student gave was not correct because he did not completely factor it out. The GCF is actually 4x$y^{3}$, so we factor out 2 again from his answer to get 4x$y^{3}$(x$y^{2}$ - 2).
College Algebra (11th Edition)
by Lial, Margaret L.; Hornsby John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671791
ISBN 13:
978-0-32167-179-0
Chapter R - Section R.4 - Factoring Polynomials - R.4 Exercises - Page 38: 17
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