College Algebra (11th Edition)

Published by Pearson
ISBN 10: 0321671791
ISBN 13: 978-0-32167-179-0

Chapter R - Section R.3 - Polynomials - R.3 Exercises - Page 29: 66


$4z^{8}$ - 12$z^{4}$y + 9$y^{2}$

Work Step by Step

1. Square of a binomial $(2z^{4} - 3y)^{2}$ = $(2z^{4})^{2}$ + 2(2$z^{4}$)(-3y) + $(-3y)^{2}$ 2. Solve exponents and multiply $4z^{8}$ - 12$z^{4}$y + 9$y^{2}$
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