Question

9 question . what is the answer

Answer 1

x + 1 is the factor of 9 question I think it is corrct

Answer 2

x - 1 is factor of (x^3 - k + 2)

Therefore x - 1 = 0

x = 1

( x^3 - k + 2 ) = 0

1^3 - k + 2 = 0

1 + 2 = k

k = 3