Tolong bantuin pake cara yaa....

x = -6
x² + 3px + p - 2 = 0
tinggal substitusi x nya -6
(-6)² + 3p(-6) + p - 2 = 0
36 - 18p + p - 2 = 0
34 - 17p = 0
34 = 17p
p = 34/17 = 2