Given that (x + 2) and (x + 3) are factor of x3 + ax + b, the values of a and b and the remaining factor is:

• A. a = -7, b = -6, (x + 1)
• B. a = -5, b = 4, (x + 1)
• C. a = 5, b = 2, (x + 2)
• D. a = -19, b = -30, (x - 5)