Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 6 - Section 6.3 - Complex Rational Expressions - Exercise Set - Page 438: 72



Work Step by Step

The square of a binomial difference is: $(A-B)^2=A^2-2AB+B^2$. Hence here: $(4x^2-y)^2=(4x^2)^2-2\cdot4x^2\cdot y+y^2=16x^4-8x^2y+y^2$
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