College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter P, Prerequisites - Section P.5 - Algebraic Expressions - P.5 Exercises: 86

Answer

x$^2$-y$^2$-2yz-z$^2$

Work Step by Step

(A+B)(A-B)=A$^2$-B$^2$ (x+y+z)(x-y-z) (x+(y+z))(x-(y+z)) (x)$^2$-(y+z)$^2$ x$^2$-(y$^2$+2(y)(z)+z$^2$) x$^2$-y$^2$-2yz-z$^2$
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