## College Algebra 7th Edition

Published by Brooks Cole

# Chapter P, Prerequisites - Section P.5 - Algebraic Expressions - P.5 Exercises - Page 36: 61

x-4

#### Work Step by Step

(A+B)(A-B)=A$^2$-B$^2$ ($\sqrt x$+2)($\sqrt x$-2) ($\sqrt x$)$^2$-(2)$^2$ x-4

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