6p - 9 = p pangkat 2 caranya gimana?

6p-9=p²
0=p²-6p+9
p²-6p+9=0
(p-3)(p-3)=0
p=3 atau p=3

[tex]6p - 9 = {p}^{2} \\ 0 = {p}^{2} - 6p + 9 \\ 0 = (p - 3)(p - 3) \\ p = 3[/tex]