Question

${4x }^{2} - 4x + 1$
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Answer 1

Answer:

$4x^2-4x+1$

$4x^2-2x-2x+1$

$2x(2x-1)-1(2x-1)$

$(2x-1)(2x-1)$

$(2x-1)^2$

Answer 2

Answer:

${4x}^{2} - 2x - 2x + 1$

$2x( 2x - 1 ) -1( 2x - 1 )$

$(2x - 1)(2x - 1)$

2x = 1

x = 1/2 .