Question

Choose one of the factors of x^3 – 1331
Answer
x^2 + 22x + 121
None of the above
x^2 – 11x + 121
x – 11

Answer 1

let x^3-1331=0 to find the roots (factors)

if x=11, then our equation equals 0. therefore x=11 is a root, meaning x-11 is a factor.

Answer 2

yup x-11