2x²+3x-2 adalah.................

Bab Persamaan Kuadrat
Matematika SMP Kelas VIII

2x² + 3x - 2 = 0
2x² + 4x - x - 2 = 0
2x (x + 2) - 1 (x + 2) = 0
(2x - 1) (x + 2) = 0
2x - 1 = 0
2x = 1
x = 1/2

x + 2 = 0
x = -2

HP = { -2, 1/2 }