Question

Solve by using the perfect squares method.

x^2 - 4x + 4 = 0

Answer 1

use perfect squares :
4x/2=2
\[2^{2}=4\]
x^2 - 4x=-4
\[(x-2)^{2}=-4+4\]
\[(x-2)^{2}=0\]
x=2

Answer 2

oh okay thank you I see what you did there and I get it now