Answer
$16x^{2}-8xz+z^{2}$
Work Step by Step
Using the square of the binomial $(a-b)^{2}=a^{2}-2ab+b^{2}$,
$(4x-z)^{2}=(4x)^{2}-2(4x)(z)+z^{2}=16x^{2}-8xz+z^{2}$.
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Appendix A - Exercise Set - Page 976: 42
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