persamaan kuadrat jawabannya no 9 yg D, no 10 yg A.... tolong berikan caranya

9)
mx^2 + mx + 6
Akar kembar
D = 0
b^2 -4ac = 0
m^2 - 4.m.6 = 0
m^2 - 24m = 0
m(m-24) = 0
m = 0 atau m = 24
Ambil 24 agar mmbntk PK

10)

2x^2 + px - 5 = 0
x = 1

2(1)^2 + 1p - 5 = 0
2 + p - 5 = 0
p - 3 = 0
p = 3