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$^2$
College Algebra 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
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 - Page 36: 86
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
