Answer
$41-12\sqrt5$
Work Step by Step
$(\sqrt5-6)^2\longrightarrow$ rewrite as multiplication of binomials
=$(\sqrt5-6)(\sqrt5-6)\longrightarrow$ multiply using FOIL
=$5-6\sqrt5-6\sqrt5+36\longrightarrow$ add like terms
=$41-12\sqrt5$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 10 - Radical Expressions and Equations - 10-3 Operations with Radial Expressions - Lesson Check - Page 616: 4
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