tolong bantu ya please

1. (x-2)(x-2) -4x + 8 + 3 = 0
x² -2x -2x + 4 -4x + 11 = 0
x² -4x + 15 -4x = 0
x² -8x + 15 = 0
(x - 3)(x - 5)
x = 3 , x = 5