akar persamaan px2 - 3x = 12p + 4 adalah X1 dan X2. Hitung p jika X1 + X2 = 3

Kelas 10 Matematika
Bab Persamaan Kuadrat

px² - 3x = 12p + 4
px² - 3x - 12p - 4 = 0
a = p; b = -3; c = -12p - 4

x1 + x2 = 3
-b/a = 3
- (-3/p) = 3
3/p = 3
p = 3/3
p = 1