x2+9x+8 #pemfaktoran #pakai cara #tolong bantu cari

Bab Persamaan Kuadrat
Matematika SMP Kelas VIII

x² + 9x + 8 = x² + x + 8x + 8
                  = x (x + 1) + 8 (x + 1)
                  = (x + 8) (x + 1)

x² +9 +8
= ( x + 1 )(x + 8)
caranya :
= (x ×x) + (x×8) + (1×x) +(1×8)
= x² + 8x +x + 8
= x² +9x + 8

semoga membantu