Question

Choose one of the factors of 1331x3 − 8y3.

a. 4
b. 11x − 2y
c. 121x2 44xy 4y2
d. 121x2 − 22xy 4y2

Answer 1

B is the answer hope this helps :)

Answer 2

1331x³ - 8y³

I checked if each term has a cube root.

∛1331 = 11
∛x³ = x
∛8 = 2
∛y³ = y

b. 11x - 2y is one of the factors of 1331x³ - 8y³