[tex]2x ^2 + 8x + 8 = 0[/tex] gimana caranya ya ... jebal juseyo..

Bab Persamaan Kuadrat
Matematika SMP Kelas VIII

2x² + 8x + 8 = 0
x² + 4x + 4 = 0
x² + 2x + 2x + 4 = 0
x (x + 2) + 2 (x + 2) = 0
(x + 2) (x + 2) = 0
(x + 2)² = 0
x + 2 = 0
x = -2