Question

If x + 4 is a factor of 3x2 + kx + 8 then what is the value of k?

Answer 1

Answer:

k = 14

Step-by-step explanation:

3x^2 + kx + 8

3x^2 + 12x + 2x +8

3x(x+4) +2(x+4)

(3x+2)(x+4)