Persamaan kuadrat x²-6x+9=0. hitunglah akar akarnya x¹danx²

X² – 6x + 9 = 0
x² – 3x – 3x + 9 = 0
x(x – 3) – 3(x – 3) = 0
(x – 3)(x – 3) = 0
x = 3

x1 = x2 = 3