2 x kuadrat + 7 x + 5=0

( 2x + 5 ) ( x + 1 ) = 0
=> 2x = -5 | x = -1
=> x = -5/2 |
Hp = { -5/2 , -1 }

Bab Persamaan Kuadrat
Matematika SMP Kelas VIII

2x² + 7x + 5 = 0
(2x + 5) (x + 1) = 0
2x + 5 = 0 atau x + 1 = 0
2x = -5              x = - 1
x = -5/2

HP = { -5/2, -1 }