Answer :
Answer:
B). x^2 + 5x + 6.
Step-by-step explanation:
x^2 + 3x+3 + [(2x^2 + 13x +15)/(x + 5)]
= x^2 + 3x+3 + [(2x^2 + 10x + 3x +15)/(x + 5)]
= x^2 + 3x+3 + [(2x(x + 5) + 3(x + 5)/(x + 5)]
= x^2 + 3x+3 + [(2x+ 3)(x + 5)/ (x + 5)]
= x^2 + 3x + 3 + (2x +3)
= x^2 + 5x + 6.