Question

( Х - 1 )² = 27 помогите плиз

Answer 1

$(x-1)^2=27\ x-1=pm sqrt{27} \ x-1=pm 3sqrt{3} \ x-1=3sqrt{3}\ x_1=3sqrt{3}+1\ x-1=-3sqrt{3}\ x_2=-3sqrt{3}+1$

Answer 2

Решение на фото внизу