15. (x2 + 3x)2 + 3(x2 + 3x) + 2
ifadesinin eşiti aşağıdakilerden hangisidir?
Bir?
A) (x + 1) (x + 2) (x + 3)
B) 2(x + 1) (x + 2) (x2 + x + 2)
C) (x + 1) (x + 2) (x2 + x + 1)
D) (x + 1) (x + 2) (x2 + 3x + 1)
E) 3(x + 1) (x + 2)(x2 - x-1)
)