Multiply the polynomials.

(x + 3)(x2 – 6x + 5)

A. x3 – 6x2 + 5x + 15
B. x3 – 6x2 – 13x + 15
C. x3 – 3x2 + 5x + 15
D. x3 – 3x2 – 13x + 15