Answer
$x=-22$
Work Step by Step
The given equation is:
$\sqrt{3-x}=5$
On squaring both sides of the equation, we obtain:
$(\sqrt{3-x})^2=5^2$
$3-x=5^2 \implies 3-x=25$
or, $3-x-3=25-3 \implies -x=22$
Thus, we have: $x=-22$
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Chapter 3 - Polynomial and Rational Functions - Section 3.3 Complex Zeros; Fundamental Theorem of Algebra - 3.3 Assess Your Understanding - Page 232: 50
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