Rationalize the denominator of the expression. Assume that all variables are positive when they appear. (-3)/( √5 +4)

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter12: Quadratic Functions
Section: Chapter Questions
Problem 10CLR
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Rationalize the denominator of the expression. Assume that all variables are positive when they appear.

(-3)/( √5 +4)

 

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