(x-3)^2-25=0 помогите пж

Question

(x-3)^2-25=0 помогите пж

Answer 1

Х^2 - 6х +9 -25 =0
х^2 - 6х -16 =0
D = 36 + 64 = 100
х1 = (6-10)\2 = -2
х2 = (6+10)\2 = 8

Answer 2

(x-3)^2-25=0
x^2-6x+9-25=0
x^2-6x-16=0
х1= 8  х2=-2