Question

how to factorise 4xsquare -4x+1

Answer 1

4x^2-4x+1

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

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

(2x-1)(2x-1)=(2x-1)^2

Answer 2

$4 {x}^{2} - 4x + 1 \\ 4 {x}^{2} - 2x - 2x + 1 \\ 2x(2x - 1) - 1(2x - 1) \\ 2x = 1 \\ x = \frac{1}{2} \\ x = \frac{1}{2}$
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