Question

If (x + 3) is a factor of p(x) = x3 – 15x + 2k, then k = ___.

–9
9
27
36
​

Answer 1

Answer:

k = 36

Step-by-step explanation:

If (x + 3) is a factor, -3 is zero of the equation.

p(-3) = -27 - 45 + 2k = 0

2k = 72

k = 36