#### Answer

y$^2$-12yz+36z$^2$

#### Work Step by Step

Follow the special product rule of perfect squares where (a+b)$^2$=a$^2$+2ab+b$^2$
(y-6z)$^2$
(y)$^2$+2(y)(-6z)+(-6z)$^2$
y$^2$-12yz+36z$^2$

Published by
Pearson

ISBN 10:
0-13417-805-X

ISBN 13:
978-0-13417-805-9

y$^2$-12yz+36z$^2$

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