Answer
$x=2$.
Work Step by Step
The given equation is
$x^2-4x+4=0$
Graph the related function.
$f(x)=x^2-4x+4$
The $x-$intercept is $2$.
Hence, the solution is $x=2$.
Big Ideas Math - Algebra 1, A Common Core Curriculum
by Larson, Ron; Boswell, Laurie
Published by
Big Ideas Learning LLC
ISBN 10:
978-1-60840-838-2
ISBN 13:
978-1-60840-838-2
Chapter 9 - Solving Quadratic Equations - 9.2 - Solving Quadratic Equations by Graphing - Exercises - Page 494: 14
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