Question

4х в квадрате - 4х плюс 1

Answer 1

4xˇ2=(2x)ˇ2
2.2x.1=4x
4xˇ2 -4x +1 = (2x-1)ˇ2

Answer 2

Ecli kvadratičnoe uravnenie, potom rešeniem ect x = 1/2

Answer 3

(2x-1)ˇ2 =0, 2x-1 = 0, 2x = 1, x =1/2