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 - Page 35: 8


(a) yes (b) yes

Work Step by Step

(a) (x+5)(x-5)=x$^2$-5x+5x-25=x$^2$-25 Therefore, the answer is yes. (b) Yes, you will get two terms because the formula for the product of a sum and difference of terms results in A$^2$-B$^2$ which in this case is x$^2$-a$^2$
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